155542760

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{20359}}^1$

素因数の和:20561

約数の個数: 32

約数和(自身を含む): 351820800

約数和(自身を除く): 196278040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 20359, 40718, 81436, 101795, 162872, 203590, 407180, 814360, 3888569, 7777138, 15554276, 19442845, 31108552, 38885690, 77771380, 155542760]

約数ペア:

[(1, 155542760), (2, 77771380), (4, 38885690), (5, 31108552), (8, 19442845), (10, 15554276), (20, 7777138), (40, 3888569), (191, 814360), (382, 407180), (764, 203590), (955, 162872), (1528, 101795), (1910, 81436), (3820, 40718), (7640, 20359)]