15906320

素因数分解:

$2^4\times 5^1\times {\mathrm{198829}}^1$

素因数の和:198842

約数の個数: 20

約数和(自身を含む): 36982380

約数和(自身を除く): 21076060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 198829, 397658, 795316, 994145, 1590632, 1988290, 3181264, 3976580, 7953160, 15906320]

約数ペア:

[(1, 15906320), (2, 7953160), (4, 3976580), (5, 3181264), (8, 1988290), (10, 1590632), (16, 994145), (20, 795316), (40, 397658), (80, 198829)]