80272790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{937}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 156008160

約数和(自身を除く): 75735370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 659, 937, 1318, 1874, 3295, 4685, 6590, 8567, 9370, 12181, 17134, 24362, 42835, 60905, 85670, 121810, 617483, 1234966, 3087415, 6174830, 8027279, 16054558, 40136395, 80272790]

約数ペア:

[(1, 80272790), (2, 40136395), (5, 16054558), (10, 8027279), (13, 6174830), (26, 3087415), (65, 1234966), (130, 617483), (659, 121810), (937, 85670), (1318, 60905), (1874, 42835), (3295, 24362), (4685, 17134), (6590, 12181), (8567, 9370)]