28146620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23071}}^1$

素因数の和:23141

約数の個数: 24

約数和(自身を含む): 60079488

約数和(自身を除く): 31932868

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 23071, 46142, 92284, 115355, 230710, 461420, 1407331, 2814662, 5629324, 7036655, 14073310, 28146620]

約数ペア:

[(1, 28146620), (2, 14073310), (4, 7036655), (5, 5629324), (10, 2814662), (20, 1407331), (61, 461420), (122, 230710), (244, 115355), (305, 92284), (610, 46142), (1220, 23071)]