31123040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1151}}^1$

素因数の和:1192

約数の個数: 72

約数和(自身を含む): 79688448

約数和(自身を除く): 48565408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1151, 1352, 1690, 2080, 2302, 2704, 3380, 4604, 5408, 5755, 6760, 9208, 11510, 13520, 14963, 18416, 23020, 27040, 29926, 36832, 46040, 59852, 74815, 92080, 119704, 149630, 184160, 194519, 239408, 299260, 389038, 478816, 598520, 778076, 972595, 1197040, 1556152, 1945190, 2394080, 3112304, 3890380, 6224608, 7780760, 15561520, 31123040]

約数ペア:

[(1, 31123040), (2, 15561520), (4, 7780760), (5, 6224608), (8, 3890380), (10, 3112304), (13, 2394080), (16, 1945190), (20, 1556152), (26, 1197040), (32, 972595), (40, 778076), (52, 598520), (65, 478816), (80, 389038), (104, 299260), (130, 239408), (160, 194519), (169, 184160), (208, 149630), (260, 119704), (338, 92080), (416, 74815), (520, 59852), (676, 46040), (845, 36832), (1040, 29926), (1151, 27040), (1352, 23020), (1690, 18416), (2080, 14963), (2302, 13520), (2704, 11510), (3380, 9208), (4604, 6760), (5408, 5755)]