39920330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1289}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 76161600

約数和(自身を除く): 36241270

約数列:

[1, 2, 5, 10, 19, 38, 95, 163, 190, 326, 815, 1289, 1630, 2578, 3097, 6194, 6445, 12890, 15485, 24491, 30970, 48982, 122455, 210107, 244910, 420214, 1050535, 2101070, 3992033, 7984066, 19960165, 39920330]

約数ペア:

[(1, 39920330), (2, 19960165), (5, 7984066), (10, 3992033), (19, 2101070), (38, 1050535), (95, 420214), (163, 244910), (190, 210107), (326, 122455), (815, 48982), (1289, 30970), (1630, 24491), (2578, 15485), (3097, 12890), (6194, 6445)]