77892020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{204979}}^1$

素因数の和:205007

約数の個数: 24

約数和(自身を含む): 172183200

約数和(自身を除く): 94291180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 204979, 409958, 819916, 1024895, 2049790, 3894601, 4099580, 7789202, 15578404, 19473005, 38946010, 77892020]

約数ペア:

[(1, 77892020), (2, 38946010), (4, 19473005), (5, 15578404), (10, 7789202), (19, 4099580), (20, 3894601), (38, 2049790), (76, 1024895), (95, 819916), (190, 409958), (380, 204979)]