9991460

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4421}}^1$

素因数の和:4543

約数の個数: 24

約数和(自身を含む): 21172536

約数和(自身を除く): 11181076

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 4421, 8842, 17684, 22105, 44210, 88420, 499573, 999146, 1998292, 2497865, 4995730, 9991460]

約数ペア:

[(1, 9991460), (2, 4995730), (4, 2497865), (5, 1998292), (10, 999146), (20, 499573), (113, 88420), (226, 44210), (452, 22105), (565, 17684), (1130, 8842), (2260, 4421)]