68158960

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13967}}^1$

素因数の和:14041

約数の個数: 40

約数和(自身を含む): 161078976

約数和(自身を除く): 92920016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 13967, 27934, 55868, 69835, 111736, 139670, 223472, 279340, 558680, 851987, 1117360, 1703974, 3407948, 4259935, 6815896, 8519870, 13631792, 17039740, 34079480, 68158960]

約数ペア:

[(1, 68158960), (2, 34079480), (4, 17039740), (5, 13631792), (8, 8519870), (10, 6815896), (16, 4259935), (20, 3407948), (40, 1703974), (61, 1117360), (80, 851987), (122, 558680), (244, 279340), (305, 223472), (488, 139670), (610, 111736), (976, 69835), (1220, 55868), (2440, 27934), (4880, 13967)]