8729127940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2087}}^1\times {\mathrm{16087}}^1$

素因数の和:18196

約数の個数: 48

約数和(自身を含む): 19751945472

約数和(自身を除く): 11022817532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2087, 4174, 8348, 10435, 16087, 20870, 27131, 32174, 41740, 54262, 64348, 80435, 108524, 135655, 160870, 209131, 271310, 321740, 418262, 542620, 836524, 1045655, 2091310, 4182620, 33573569, 67147138, 134294276, 167867845, 335735690, 436456397, 671471380, 872912794, 1745825588, 2182281985, 4364563970, 8729127940]

約数ペア:

[(1, 8729127940), (2, 4364563970), (4, 2182281985), (5, 1745825588), (10, 872912794), (13, 671471380), (20, 436456397), (26, 335735690), (52, 167867845), (65, 134294276), (130, 67147138), (260, 33573569), (2087, 4182620), (4174, 2091310), (8348, 1045655), (10435, 836524), (16087, 542620), (20870, 418262), (27131, 321740), (32174, 271310), (41740, 209131), (54262, 160870), (64348, 135655), (80435, 108524)]