2023859920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{1789}}^1$

素因数の和:2060

約数の個数: 80

約数和(自身を含む): 4794336000

約数和(自身を除く): 2770476080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 179, 316, 358, 395, 632, 716, 790, 895, 1264, 1432, 1580, 1789, 1790, 2864, 3160, 3578, 3580, 6320, 7156, 7160, 8945, 14141, 14312, 14320, 17890, 28282, 28624, 35780, 56564, 70705, 71560, 113128, 141331, 141410, 143120, 226256, 282662, 282820, 320231, 565324, 565640, 640462, 706655, 1130648, 1131280, 1280924, 1413310, 1601155, 2261296, 2561848, 2826620, 3202310, 5123696, 5653240, 6404620, 11306480, 12809240, 25298249, 25618480, 50596498, 101192996, 126491245, 202385992, 252982490, 404771984, 505964980, 1011929960, 2023859920]

約数ペア:

[(1, 2023859920), (2, 1011929960), (4, 505964980), (5, 404771984), (8, 252982490), (10, 202385992), (16, 126491245), (20, 101192996), (40, 50596498), (79, 25618480), (80, 25298249), (158, 12809240), (179, 11306480), (316, 6404620), (358, 5653240), (395, 5123696), (632, 3202310), (716, 2826620), (790, 2561848), (895, 2261296), (1264, 1601155), (1432, 1413310), (1580, 1280924), (1789, 1131280), (1790, 1130648), (2864, 706655), (3160, 640462), (3578, 565640), (3580, 565324), (6320, 320231), (7156, 282820), (7160, 282662), (8945, 226256), (14141, 143120), (14312, 141410), (14320, 141331), (17890, 113128), (28282, 71560), (28624, 70705), (35780, 56564)]