221426320

素因数分解:

$2^4\times 5^1\times {\mathrm{2767829}}^1$

素因数の和:2767842

約数の個数: 20

約数和(自身を含む): 514816380

約数和(自身を除く): 293390060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2767829, 5535658, 11071316, 13839145, 22142632, 27678290, 44285264, 55356580, 110713160, 221426320]

約数ペア:

[(1, 221426320), (2, 110713160), (4, 55356580), (5, 44285264), (8, 27678290), (10, 22142632), (16, 13839145), (20, 11071316), (40, 5535658), (80, 2767829)]