25672180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 55520640

約数和(自身を除く): 29848460

約数列:

[1, 2, 4, 5, 10, 20, 71, 101, 142, 179, 202, 284, 355, 358, 404, 505, 710, 716, 895, 1010, 1420, 1790, 2020, 3580, 7171, 12709, 14342, 18079, 25418, 28684, 35855, 36158, 50836, 63545, 71710, 72316, 90395, 127090, 143420, 180790, 254180, 361580, 1283609, 2567218, 5134436, 6418045, 12836090, 25672180]

約数ペア:

[(1, 25672180), (2, 12836090), (4, 6418045), (5, 5134436), (10, 2567218), (20, 1283609), (71, 361580), (101, 254180), (142, 180790), (179, 143420), (202, 127090), (284, 90395), (355, 72316), (358, 71710), (404, 63545), (505, 50836), (710, 36158), (716, 35855), (895, 28684), (1010, 25418), (1420, 18079), (1790, 14342), (2020, 12709), (3580, 7171)]