81227680

素因数分解:

$2^5\times 5^1\times {\mathrm{507673}}^1$

素因数の和:507688

約数の個数: 24

約数和(自身を含む): 191900772

約数和(自身を除く): 110673092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 507673, 1015346, 2030692, 2538365, 4061384, 5076730, 8122768, 10153460, 16245536, 20306920, 40613840, 81227680]

約数ペア:

[(1, 81227680), (2, 40613840), (4, 20306920), (5, 16245536), (8, 10153460), (10, 8122768), (16, 5076730), (20, 4061384), (32, 2538365), (40, 2030692), (80, 1015346), (160, 507673)]