155213620

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{13933}}^1$

素因数の和:14499

約数の個数: 24

約数和(自身を含む): 326557224

約数和(自身を除く): 171343604

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 13933, 27866, 55732, 69665, 139330, 278660, 7760681, 15521362, 31042724, 38803405, 77606810, 155213620]

約数ペア:

[(1, 155213620), (2, 77606810), (4, 38803405), (5, 31042724), (10, 15521362), (20, 7760681), (557, 278660), (1114, 139330), (2228, 69665), (2785, 55732), (5570, 27866), (11140, 13933)]