38485880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{757}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 91687680

約数和(自身を除く): 53201800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 757, 820, 1240, 1271, 1514, 1640, 2542, 3028, 3785, 5084, 6056, 6355, 7570, 10168, 12710, 15140, 23467, 25420, 30280, 31037, 46934, 50840, 62074, 93868, 117335, 124148, 155185, 187736, 234670, 248296, 310370, 469340, 620740, 938680, 962147, 1241480, 1924294, 3848588, 4810735, 7697176, 9621470, 19242940, 38485880]

約数ペア:

[(1, 38485880), (2, 19242940), (4, 9621470), (5, 7697176), (8, 4810735), (10, 3848588), (20, 1924294), (31, 1241480), (40, 962147), (41, 938680), (62, 620740), (82, 469340), (124, 310370), (155, 248296), (164, 234670), (205, 187736), (248, 155185), (310, 124148), (328, 117335), (410, 93868), (620, 62074), (757, 50840), (820, 46934), (1240, 31037), (1271, 30280), (1514, 25420), (1640, 23467), (2542, 15140), (3028, 12710), (3785, 10168), (5084, 7570), (6056, 6355)]