51983840

素因数分解:

$2^5\times 5^1\times {\mathrm{569}}^1\times {\mathrm{571}}^1$

素因数の和:1155

約数の個数: 48

約数和(自身を含む): 123243120

約数和(自身を除く): 71259280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 569, 571, 1138, 1142, 2276, 2284, 2845, 2855, 4552, 4568, 5690, 5710, 9104, 9136, 11380, 11420, 18208, 18272, 22760, 22840, 45520, 45680, 91040, 91360, 324899, 649798, 1299596, 1624495, 2599192, 3248990, 5198384, 6497980, 10396768, 12995960, 25991920, 51983840]

約数ペア:

[(1, 51983840), (2, 25991920), (4, 12995960), (5, 10396768), (8, 6497980), (10, 5198384), (16, 3248990), (20, 2599192), (32, 1624495), (40, 1299596), (80, 649798), (160, 324899), (569, 91360), (571, 91040), (1138, 45680), (1142, 45520), (2276, 22840), (2284, 22760), (2845, 18272), (2855, 18208), (4552, 11420), (4568, 11380), (5690, 9136), (5710, 9104)]