20228934400

素因数分解:

$2^8\times 5^2\times {\mathrm{641}}^1\times {\mathrm{4931}}^1$

素因数の和:5598

約数の個数: 108

約数和(自身を含む): 50158055304

約数和(自身を除く): 29929120904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 641, 800, 1280, 1282, 1600, 2564, 3200, 3205, 4931, 5128, 6400, 6410, 9862, 10256, 12820, 16025, 19724, 20512, 24655, 25640, 32050, 39448, 41024, 49310, 51280, 64100, 78896, 82048, 98620, 102560, 123275, 128200, 157792, 164096, 197240, 205120, 246550, 256400, 315584, 394480, 410240, 493100, 512800, 631168, 788960, 820480, 986200, 1025600, 1262336, 1577920, 1972400, 2051200, 3155840, 3160771, 3944800, 4102400, 6311680, 6321542, 7889600, 12643084, 15779200, 15803855, 25286168, 31558400, 31607710, 50572336, 63215420, 79019275, 101144672, 126430840, 158038550, 202289344, 252861680, 316077100, 404578688, 505723360, 632154200, 809157376, 1011446720, 1264308400, 2022893440, 2528616800, 4045786880, 5057233600, 10114467200, 20228934400]

約数ペア:

[(1, 20228934400), (2, 10114467200), (4, 5057233600), (5, 4045786880), (8, 2528616800), (10, 2022893440), (16, 1264308400), (20, 1011446720), (25, 809157376), (32, 632154200), (40, 505723360), (50, 404578688), (64, 316077100), (80, 252861680), (100, 202289344), (128, 158038550), (160, 126430840), (200, 101144672), (256, 79019275), (320, 63215420), (400, 50572336), (640, 31607710), (641, 31558400), (800, 25286168), (1280, 15803855), (1282, 15779200), (1600, 12643084), (2564, 7889600), (3200, 6321542), (3205, 6311680), (4931, 4102400), (5128, 3944800), (6400, 3160771), (6410, 3155840), (9862, 2051200), (10256, 1972400), (12820, 1577920), (16025, 1262336), (19724, 1025600), (20512, 986200), (24655, 820480), (25640, 788960), (32050, 631168), (39448, 512800), (41024, 493100), (49310, 410240), (51280, 394480), (64100, 315584), (78896, 256400), (82048, 246550), (98620, 205120), (102560, 197240), (123275, 164096), (128200, 157792)]