27297640

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1621}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 61603560

約数和(自身を除く): 34305920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1621, 1684, 2105, 3242, 3368, 4210, 6484, 8105, 8420, 12968, 16210, 16840, 32420, 64840, 682441, 1364882, 2729764, 3412205, 5459528, 6824410, 13648820, 27297640]

約数ペア:

[(1, 27297640), (2, 13648820), (4, 6824410), (5, 5459528), (8, 3412205), (10, 2729764), (20, 1364882), (40, 682441), (421, 64840), (842, 32420), (1621, 16840), (1684, 16210), (2105, 12968), (3242, 8420), (3368, 8105), (4210, 6484)]