325667360

素因数分解:

$2^5\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4079}}^1$

素因数の和:4593

約数の個数: 48

約数和(自身を含む): 771120000

約数和(自身を除く): 445452640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 499, 998, 1996, 2495, 3992, 4079, 4990, 7984, 8158, 9980, 15968, 16316, 19960, 20395, 32632, 39920, 40790, 65264, 79840, 81580, 130528, 163160, 326320, 652640, 2035421, 4070842, 8141684, 10177105, 16283368, 20354210, 32566736, 40708420, 65133472, 81416840, 162833680, 325667360]

約数ペア:

[(1, 325667360), (2, 162833680), (4, 81416840), (5, 65133472), (8, 40708420), (10, 32566736), (16, 20354210), (20, 16283368), (32, 10177105), (40, 8141684), (80, 4070842), (160, 2035421), (499, 652640), (998, 326320), (1996, 163160), (2495, 130528), (3992, 81580), (4079, 79840), (4990, 65264), (7984, 40790), (8158, 39920), (9980, 32632), (15968, 20395), (16316, 19960)]