27658480

素因数分解:

$2^4\times 5^1\times {\mathrm{345731}}^1$

素因数の和:345744

約数の個数: 20

約数和(自身を含む): 64306152

約数和(自身を除く): 36647672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 345731, 691462, 1382924, 1728655, 2765848, 3457310, 5531696, 6914620, 13829240, 27658480]

約数ペア:

[(1, 27658480), (2, 13829240), (4, 6914620), (5, 5531696), (8, 3457310), (10, 2765848), (16, 1728655), (20, 1382924), (40, 691462), (80, 345731)]