86202520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 199065600

約数和(自身を除く): 112863080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 127, 142, 239, 254, 284, 355, 478, 508, 568, 635, 710, 956, 1016, 1195, 1270, 1420, 1912, 2390, 2540, 2840, 4780, 5080, 9017, 9560, 16969, 18034, 30353, 33938, 36068, 45085, 60706, 67876, 72136, 84845, 90170, 121412, 135752, 151765, 169690, 180340, 242824, 303530, 339380, 360680, 607060, 678760, 1214120, 2155063, 4310126, 8620252, 10775315, 17240504, 21550630, 43101260, 86202520]

約数ペア:

[(1, 86202520), (2, 43101260), (4, 21550630), (5, 17240504), (8, 10775315), (10, 8620252), (20, 4310126), (40, 2155063), (71, 1214120), (127, 678760), (142, 607060), (239, 360680), (254, 339380), (284, 303530), (355, 242824), (478, 180340), (508, 169690), (568, 151765), (635, 135752), (710, 121412), (956, 90170), (1016, 84845), (1195, 72136), (1270, 67876), (1420, 60706), (1912, 45085), (2390, 36068), (2540, 33938), (2840, 30353), (4780, 18034), (5080, 16969), (9017, 9560)]