28097420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2039}}^1$

素因数の和:2114

約数の個数: 48

約数和(自身を含む): 64774080

約数和(自身を除く): 36676660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2039, 2756, 3445, 4078, 6890, 8156, 10195, 13780, 20390, 26507, 40780, 53014, 106028, 108067, 132535, 216134, 265070, 432268, 530140, 540335, 1080670, 1404871, 2161340, 2809742, 5619484, 7024355, 14048710, 28097420]

約数ペア:

[(1, 28097420), (2, 14048710), (4, 7024355), (5, 5619484), (10, 2809742), (13, 2161340), (20, 1404871), (26, 1080670), (52, 540335), (53, 530140), (65, 432268), (106, 265070), (130, 216134), (212, 132535), (260, 108067), (265, 106028), (530, 53014), (689, 40780), (1060, 26507), (1378, 20390), (2039, 13780), (2756, 10195), (3445, 8156), (4078, 6890)]