86254480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 217579824

約数和(自身を除く): 131325344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 197, 208, 260, 394, 421, 520, 788, 842, 985, 1040, 1576, 1684, 1970, 2105, 2561, 3152, 3368, 3940, 4210, 5122, 5473, 6736, 7880, 8420, 10244, 10946, 12805, 15760, 16840, 20488, 21892, 25610, 27365, 33680, 40976, 43784, 51220, 54730, 82937, 87568, 102440, 109460, 165874, 204880, 218920, 331748, 414685, 437840, 663496, 829370, 1078181, 1326992, 1658740, 2156362, 3317480, 4312724, 5390905, 6634960, 8625448, 10781810, 17250896, 21563620, 43127240, 86254480]

約数ペア:

[(1, 86254480), (2, 43127240), (4, 21563620), (5, 17250896), (8, 10781810), (10, 8625448), (13, 6634960), (16, 5390905), (20, 4312724), (26, 3317480), (40, 2156362), (52, 1658740), (65, 1326992), (80, 1078181), (104, 829370), (130, 663496), (197, 437840), (208, 414685), (260, 331748), (394, 218920), (421, 204880), (520, 165874), (788, 109460), (842, 102440), (985, 87568), (1040, 82937), (1576, 54730), (1684, 51220), (1970, 43784), (2105, 40976), (2561, 33680), (3152, 27365), (3368, 25610), (3940, 21892), (4210, 20488), (5122, 16840), (5473, 15760), (6736, 12805), (7880, 10946), (8420, 10244)]