4177640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 9538560

約数和(自身を除く): 5360920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1471, 2840, 2942, 5884, 7355, 11768, 14710, 29420, 58840, 104441, 208882, 417764, 522205, 835528, 1044410, 2088820, 4177640]

約数ペア:

[(1, 4177640), (2, 2088820), (4, 1044410), (5, 835528), (8, 522205), (10, 417764), (20, 208882), (40, 104441), (71, 58840), (142, 29420), (284, 14710), (355, 11768), (568, 7355), (710, 5884), (1420, 2942), (1471, 2840)]