156975160

素因数分解:

$2^3\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{2179}}^1$

素因数の和:3991

約数の個数: 32

約数和(自身を含む): 353552400

約数和(自身を除く): 196577240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1801, 2179, 3602, 4358, 7204, 8716, 9005, 10895, 14408, 17432, 18010, 21790, 36020, 43580, 72040, 87160, 3924379, 7848758, 15697516, 19621895, 31395032, 39243790, 78487580, 156975160]

約数ペア:

[(1, 156975160), (2, 78487580), (4, 39243790), (5, 31395032), (8, 19621895), (10, 15697516), (20, 7848758), (40, 3924379), (1801, 87160), (2179, 72040), (3602, 43580), (4358, 36020), (7204, 21790), (8716, 18010), (9005, 17432), (10895, 14408)]