2190203920

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{97429}}^1$

素因数の和:97723

約数の個数: 40

約数和(自身を含む): 5110398360

約数和(自身を除く): 2920194440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 4496, 5620, 11240, 22480, 97429, 194858, 389716, 487145, 779432, 974290, 1558864, 1948580, 3897160, 7794320, 27377549, 54755098, 109510196, 136887745, 219020392, 273775490, 438040784, 547550980, 1095101960, 2190203920]

約数ペア:

[(1, 2190203920), (2, 1095101960), (4, 547550980), (5, 438040784), (8, 273775490), (10, 219020392), (16, 136887745), (20, 109510196), (40, 54755098), (80, 27377549), (281, 7794320), (562, 3897160), (1124, 1948580), (1405, 1558864), (2248, 974290), (2810, 779432), (4496, 487145), (5620, 389716), (11240, 194858), (22480, 97429)]