51344360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 118972800

約数和(自身を除く): 67628440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 101, 142, 179, 202, 284, 355, 358, 404, 505, 568, 710, 716, 808, 895, 1010, 1420, 1432, 1790, 2020, 2840, 3580, 4040, 7160, 7171, 12709, 14342, 18079, 25418, 28684, 35855, 36158, 50836, 57368, 63545, 71710, 72316, 90395, 101672, 127090, 143420, 144632, 180790, 254180, 286840, 361580, 508360, 723160, 1283609, 2567218, 5134436, 6418045, 10268872, 12836090, 25672180, 51344360]

約数ペア:

[(1, 51344360), (2, 25672180), (4, 12836090), (5, 10268872), (8, 6418045), (10, 5134436), (20, 2567218), (40, 1283609), (71, 723160), (101, 508360), (142, 361580), (179, 286840), (202, 254180), (284, 180790), (355, 144632), (358, 143420), (404, 127090), (505, 101672), (568, 90395), (710, 72316), (716, 71710), (808, 63545), (895, 57368), (1010, 50836), (1420, 36158), (1432, 35855), (1790, 28684), (2020, 25418), (2840, 18079), (3580, 14342), (4040, 12709), (7160, 7171)]