157416580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{77929}}^1$

素因数の和:78039

約数の個数: 24

約数和(自身を含む): 333852120

約数和(自身を除く): 176435540

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 77929, 155858, 311716, 389645, 779290, 1558580, 7870829, 15741658, 31483316, 39354145, 78708290, 157416580]

約数ペア:

[(1, 157416580), (2, 78708290), (4, 39354145), (5, 31483316), (10, 15741658), (20, 7870829), (101, 1558580), (202, 779290), (404, 389645), (505, 311716), (1010, 155858), (2020, 77929)]