163603960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{314623}}^1$

素因数の和:314647

約数の個数: 32

約数和(自身を含む): 396426240

約数和(自身を除く): 232822280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 314623, 629246, 1258492, 1573115, 2516984, 3146230, 4090099, 6292460, 8180198, 12584920, 16360396, 20450495, 32720792, 40900990, 81801980, 163603960]

約数ペア:

[(1, 163603960), (2, 81801980), (4, 40900990), (5, 32720792), (8, 20450495), (10, 16360396), (13, 12584920), (20, 8180198), (26, 6292460), (40, 4090099), (52, 3146230), (65, 2516984), (104, 1573115), (130, 1258492), (260, 629246), (520, 314623)]