85388420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 204906240

約数和(自身を除く): 119517820

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 109, 115, 130, 131, 218, 230, 260, 262, 299, 436, 460, 524, 545, 598, 655, 1090, 1196, 1310, 1417, 1495, 1703, 2180, 2507, 2620, 2834, 2990, 3013, 3406, 5014, 5668, 5980, 6026, 6812, 7085, 8515, 10028, 12052, 12535, 14170, 14279, 15065, 17030, 25070, 28340, 28558, 30130, 32591, 34060, 39169, 50140, 57116, 60260, 65182, 71395, 78338, 130364, 142790, 156676, 162955, 185627, 195845, 285580, 325910, 328417, 371254, 391690, 651820, 656834, 742508, 783380, 928135, 1313668, 1642085, 1856270, 3284170, 3712540, 4269421, 6568340, 8538842, 17077684, 21347105, 42694210, 85388420]

約数ペア:

[(1, 85388420), (2, 42694210), (4, 21347105), (5, 17077684), (10, 8538842), (13, 6568340), (20, 4269421), (23, 3712540), (26, 3284170), (46, 1856270), (52, 1642085), (65, 1313668), (92, 928135), (109, 783380), (115, 742508), (130, 656834), (131, 651820), (218, 391690), (230, 371254), (260, 328417), (262, 325910), (299, 285580), (436, 195845), (460, 185627), (524, 162955), (545, 156676), (598, 142790), (655, 130364), (1090, 78338), (1196, 71395), (1310, 65182), (1417, 60260), (1495, 57116), (1703, 50140), (2180, 39169), (2507, 34060), (2620, 32591), (2834, 30130), (2990, 28558), (3013, 28340), (3406, 25070), (5014, 17030), (5668, 15065), (5980, 14279), (6026, 14170), (6812, 12535), (7085, 12052), (8515, 10028)]