2660656720

素因数分解:

$2^4\times 5^1\times {\mathrm{5471}}^1\times {\mathrm{6079}}^1$

素因数の和:11563

約数の個数: 40

約数和(自身を含む): 6188175360

約数和(自身を除く): 3527518640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5471, 6079, 10942, 12158, 21884, 24316, 27355, 30395, 43768, 48632, 54710, 60790, 87536, 97264, 109420, 121580, 218840, 243160, 437680, 486320, 33258209, 66516418, 133032836, 166291045, 266065672, 332582090, 532131344, 665164180, 1330328360, 2660656720]

約数ペア:

[(1, 2660656720), (2, 1330328360), (4, 665164180), (5, 532131344), (8, 332582090), (10, 266065672), (16, 166291045), (20, 133032836), (40, 66516418), (80, 33258209), (5471, 486320), (6079, 437680), (10942, 243160), (12158, 218840), (21884, 121580), (24316, 109420), (27355, 97264), (30395, 87536), (43768, 60790), (48632, 54710)]