40160840

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4423}}^1$

素因数の和:4661

約数の個数: 32

約数和(自身を含む): 90780480

約数和(自身を除く): 50619640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4423, 4540, 8846, 9080, 17692, 22115, 35384, 44230, 88460, 176920, 1004021, 2008042, 4016084, 5020105, 8032168, 10040210, 20080420, 40160840]

約数ペア:

[(1, 40160840), (2, 20080420), (4, 10040210), (5, 8032168), (8, 5020105), (10, 4016084), (20, 2008042), (40, 1004021), (227, 176920), (454, 88460), (908, 44230), (1135, 35384), (1816, 22115), (2270, 17692), (4423, 9080), (4540, 8846)]