66385820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{521}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 146276928

約数和(自身を除く): 79891108

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 277, 460, 521, 554, 1042, 1108, 1385, 2084, 2605, 2770, 5210, 5540, 6371, 10420, 11983, 12742, 23966, 25484, 31855, 47932, 59915, 63710, 119830, 127420, 144317, 239660, 288634, 577268, 721585, 1443170, 2886340, 3319291, 6638582, 13277164, 16596455, 33192910, 66385820]

約数ペア:

[(1, 66385820), (2, 33192910), (4, 16596455), (5, 13277164), (10, 6638582), (20, 3319291), (23, 2886340), (46, 1443170), (92, 721585), (115, 577268), (230, 288634), (277, 239660), (460, 144317), (521, 127420), (554, 119830), (1042, 63710), (1108, 59915), (1385, 47932), (2084, 31855), (2605, 25484), (2770, 23966), (5210, 12742), (5540, 11983), (6371, 10420)]