53489840

素因数分解:

$2^4\times 5^1\times {\mathrm{668623}}^1$

素因数の和:668636

約数の個数: 20

約数和(自身を含む): 124364064

約数和(自身を除く): 70874224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 668623, 1337246, 2674492, 3343115, 5348984, 6686230, 10697968, 13372460, 26744920, 53489840]

約数ペア:

[(1, 53489840), (2, 26744920), (4, 13372460), (5, 10697968), (8, 6686230), (10, 5348984), (16, 3343115), (20, 2674492), (40, 1337246), (80, 668623)]