20125722400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{10357}}^1$

素因数の和:10731

約数の個数: 144

約数和(自身を含む): 56318020416

約数和(自身を除く): 36192298016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 347, 350, 400, 560, 694, 700, 800, 1120, 1388, 1400, 1735, 2429, 2776, 2800, 3470, 4858, 5552, 5600, 6940, 8675, 9716, 10357, 11104, 12145, 13880, 17350, 19432, 20714, 24290, 27760, 34700, 38864, 41428, 48580, 51785, 55520, 60725, 69400, 72499, 77728, 82856, 97160, 103570, 121450, 138800, 144998, 165712, 194320, 207140, 242900, 258925, 277600, 289996, 331424, 362495, 388640, 414280, 485800, 517850, 579992, 724990, 828560, 971600, 1035700, 1159984, 1449980, 1657120, 1812475, 1943200, 2071400, 2319968, 2899960, 3593879, 3624950, 4142800, 5799920, 7187758, 7249900, 8285600, 11599840, 14375516, 14499800, 17969395, 25157153, 28751032, 28999600, 35938790, 50314306, 57502064, 57999200, 71877580, 89846975, 100628612, 115004128, 125785765, 143755160, 179693950, 201257224, 251571530, 287510320, 359387900, 402514448, 503143060, 575020640, 628928825, 718775800, 805028896, 1006286120, 1257857650, 1437551600, 2012572240, 2515715300, 2875103200, 4025144480, 5031430600, 10062861200, 20125722400]

約数ペア:

[(1, 20125722400), (2, 10062861200), (4, 5031430600), (5, 4025144480), (7, 2875103200), (8, 2515715300), (10, 2012572240), (14, 1437551600), (16, 1257857650), (20, 1006286120), (25, 805028896), (28, 718775800), (32, 628928825), (35, 575020640), (40, 503143060), (50, 402514448), (56, 359387900), (70, 287510320), (80, 251571530), (100, 201257224), (112, 179693950), (140, 143755160), (160, 125785765), (175, 115004128), (200, 100628612), (224, 89846975), (280, 71877580), (347, 57999200), (350, 57502064), (400, 50314306), (560, 35938790), (694, 28999600), (700, 28751032), (800, 25157153), (1120, 17969395), (1388, 14499800), (1400, 14375516), (1735, 11599840), (2429, 8285600), (2776, 7249900), (2800, 7187758), (3470, 5799920), (4858, 4142800), (5552, 3624950), (5600, 3593879), (6940, 2899960), (8675, 2319968), (9716, 2071400), (10357, 1943200), (11104, 1812475), (12145, 1657120), (13880, 1449980), (17350, 1159984), (19432, 1035700), (20714, 971600), (24290, 828560), (27760, 724990), (34700, 579992), (38864, 517850), (41428, 485800), (48580, 414280), (51785, 388640), (55520, 362495), (60725, 331424), (69400, 289996), (72499, 277600), (77728, 258925), (82856, 242900), (97160, 207140), (103570, 194320), (121450, 165712), (138800, 144998)]