64474720

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{10891}}^1$

素因数の和:10943

約数の個数: 48

約数和(自身を含む): 156452688

約数和(自身を除く): 91977968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 10891, 21782, 43564, 54455, 87128, 108910, 174256, 217820, 348512, 402967, 435640, 805934, 871280, 1611868, 1742560, 2014835, 3223736, 4029670, 6447472, 8059340, 12894944, 16118680, 32237360, 64474720]

約数ペア:

[(1, 64474720), (2, 32237360), (4, 16118680), (5, 12894944), (8, 8059340), (10, 6447472), (16, 4029670), (20, 3223736), (32, 2014835), (37, 1742560), (40, 1611868), (74, 871280), (80, 805934), (148, 435640), (160, 402967), (185, 348512), (296, 217820), (370, 174256), (592, 108910), (740, 87128), (1184, 54455), (1480, 43564), (2960, 21782), (5920, 10891)]