130479220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{3881}}^1$

素因数の和:3972

約数の個数: 36

約数和(自身を含む): 280924812

約数和(自身を除く): 150445592

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1681, 3362, 3881, 6724, 7762, 8405, 15524, 16810, 19405, 33620, 38810, 77620, 159121, 318242, 636484, 795605, 1591210, 3182420, 6523961, 13047922, 26095844, 32619805, 65239610, 130479220]

約数ペア:

[(1, 130479220), (2, 65239610), (4, 32619805), (5, 26095844), (10, 13047922), (20, 6523961), (41, 3182420), (82, 1591210), (164, 795605), (205, 636484), (410, 318242), (820, 159121), (1681, 77620), (3362, 38810), (3881, 33620), (6724, 19405), (7762, 16810), (8405, 15524)]