82712720

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6343}}^1$

素因数の和:6519

約数の個数: 40

約数和(自身を含む): 193517376

約数和(自身を除く): 110804656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6343, 6520, 12686, 13040, 25372, 31715, 50744, 63430, 101488, 126860, 253720, 507440, 1033909, 2067818, 4135636, 5169545, 8271272, 10339090, 16542544, 20678180, 41356360, 82712720]

約数ペア:

[(1, 82712720), (2, 41356360), (4, 20678180), (5, 16542544), (8, 10339090), (10, 8271272), (16, 5169545), (20, 4135636), (40, 2067818), (80, 1033909), (163, 507440), (326, 253720), (652, 126860), (815, 101488), (1304, 63430), (1630, 50744), (2608, 31715), (3260, 25372), (6343, 13040), (6520, 12686)]