72536920

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{3221}}^1$

素因数の和:3795

約数の個数: 32

約数和(自身を含む): 163548720

約数和(自身を除く): 91011800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 3221, 4504, 5630, 6442, 11260, 12884, 16105, 22520, 25768, 32210, 64420, 128840, 1813423, 3626846, 7253692, 9067115, 14507384, 18134230, 36268460, 72536920]

約数ペア:

[(1, 72536920), (2, 36268460), (4, 18134230), (5, 14507384), (8, 9067115), (10, 7253692), (20, 3626846), (40, 1813423), (563, 128840), (1126, 64420), (2252, 32210), (2815, 25768), (3221, 22520), (4504, 16105), (5630, 12884), (6442, 11260)]