68272880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65647}}^1$

素因数の和:65673

約数の個数: 40

約数和(自身を含む): 170947392

約数和(自身を除く): 102674512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 65647, 131294, 262588, 328235, 525176, 656470, 853411, 1050352, 1312940, 1706822, 2625880, 3413644, 4267055, 5251760, 6827288, 8534110, 13654576, 17068220, 34136440, 68272880]

約数ペア:

[(1, 68272880), (2, 34136440), (4, 17068220), (5, 13654576), (8, 8534110), (10, 6827288), (13, 5251760), (16, 4267055), (20, 3413644), (26, 2625880), (40, 1706822), (52, 1312940), (65, 1050352), (80, 853411), (104, 656470), (130, 525176), (208, 328235), (260, 262588), (520, 131294), (1040, 65647)]