3955120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3803}}^1$

素因数の和:3829

約数の個数: 40

約数和(自身を含む): 9905616

約数和(自身を除く): 5950496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3803, 7606, 15212, 19015, 30424, 38030, 49439, 60848, 76060, 98878, 152120, 197756, 247195, 304240, 395512, 494390, 791024, 988780, 1977560, 3955120]

約数ペア:

[(1, 3955120), (2, 1977560), (4, 988780), (5, 791024), (8, 494390), (10, 395512), (13, 304240), (16, 247195), (20, 197756), (26, 152120), (40, 98878), (52, 76060), (65, 60848), (80, 49439), (104, 38030), (130, 30424), (208, 19015), (260, 15212), (520, 7606), (1040, 3803)]