204045680

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{14249}}^1$

素因数の和:14441

約数の個数: 40

約数和(自身を含む): 477090000

約数和(自身を除く): 273044320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 14249, 14320, 28498, 56996, 71245, 113992, 142490, 227984, 284980, 569960, 1139920, 2550571, 5101142, 10202284, 12752855, 20404568, 25505710, 40809136, 51011420, 102022840, 204045680]

約数ペア:

[(1, 204045680), (2, 102022840), (4, 51011420), (5, 40809136), (8, 25505710), (10, 20404568), (16, 12752855), (20, 10202284), (40, 5101142), (80, 2550571), (179, 1139920), (358, 569960), (716, 284980), (895, 227984), (1432, 142490), (1790, 113992), (2864, 71245), (3580, 56996), (7160, 28498), (14249, 14320)]