20609291569360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12517}}^1\times {\mathrm{1583177}}^1$

素因数の和:1595720

約数の個数: 80

約数和(自身を含む): 51606650619216

約数和(自身を除く): 30997359049856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12517, 25034, 50068, 62585, 100136, 125170, 162721, 200272, 250340, 325442, 500680, 650884, 813605, 1001360, 1301768, 1583177, 1627210, 2603536, 3166354, 3254420, 6332708, 6508840, 7915885, 12665416, 13017680, 15831770, 20581301, 25330832, 31663540, 41162602, 63327080, 82325204, 102906505, 126654160, 164650408, 205813010, 329300816, 411626020, 823252040, 1646504080, 19816626509, 39633253018, 79266506036, 99083132545, 158533012072, 198166265090, 257616144617, 317066024144, 396332530180, 515232289234, 792665060360, 1030464578468, 1288080723085, 1585330120720, 2060929156936, 2576161446170, 4121858313872, 5152322892340, 10304645784680, 20609291569360]

約数ペア:

[(1, 20609291569360), (2, 10304645784680), (4, 5152322892340), (5, 4121858313872), (8, 2576161446170), (10, 2060929156936), (13, 1585330120720), (16, 1288080723085), (20, 1030464578468), (26, 792665060360), (40, 515232289234), (52, 396332530180), (65, 317066024144), (80, 257616144617), (104, 198166265090), (130, 158533012072), (208, 99083132545), (260, 79266506036), (520, 39633253018), (1040, 19816626509), (12517, 1646504080), (25034, 823252040), (50068, 411626020), (62585, 329300816), (100136, 205813010), (125170, 164650408), (162721, 126654160), (200272, 102906505), (250340, 82325204), (325442, 63327080), (500680, 41162602), (650884, 31663540), (813605, 25330832), (1001360, 20581301), (1301768, 15831770), (1583177, 13017680), (1627210, 12665416), (2603536, 7915885), (3166354, 6508840), (3254420, 6332708)]