51657320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:867

約数の個数: 96

約数和(自身を含む): 137750760

約数和(自身を除く): 86093440

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 121, 130, 143, 220, 242, 260, 286, 440, 484, 520, 572, 605, 715, 821, 968, 1144, 1210, 1430, 1573, 1642, 2420, 2860, 3146, 3284, 4105, 4840, 5720, 6292, 6568, 7865, 8210, 9031, 10673, 12584, 15730, 16420, 18062, 21346, 31460, 32840, 36124, 42692, 45155, 53365, 62920, 72248, 85384, 90310, 99341, 106730, 117403, 180620, 198682, 213460, 234806, 361240, 397364, 426920, 469612, 496705, 587015, 794728, 939224, 993410, 1174030, 1291433, 1986820, 2348060, 2582866, 3973640, 4696120, 5165732, 6457165, 10331464, 12914330, 25828660, 51657320]

約数ペア:

[(1, 51657320), (2, 25828660), (4, 12914330), (5, 10331464), (8, 6457165), (10, 5165732), (11, 4696120), (13, 3973640), (20, 2582866), (22, 2348060), (26, 1986820), (40, 1291433), (44, 1174030), (52, 993410), (55, 939224), (65, 794728), (88, 587015), (104, 496705), (110, 469612), (121, 426920), (130, 397364), (143, 361240), (220, 234806), (242, 213460), (260, 198682), (286, 180620), (440, 117403), (484, 106730), (520, 99341), (572, 90310), (605, 85384), (715, 72248), (821, 62920), (968, 53365), (1144, 45155), (1210, 42692), (1430, 36124), (1573, 32840), (1642, 31460), (2420, 21346), (2860, 18062), (3146, 16420), (3284, 15730), (4105, 12584), (4840, 10673), (5720, 9031), (6292, 8210), (6568, 7865)]