31055440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2297}}^1$

素因数の和:2336

約数の個数: 60

約数和(自身を含む): 78219324

約数和(自身を除く): 47163884

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2297, 2704, 3380, 4594, 6760, 9188, 11485, 13520, 18376, 22970, 29861, 36752, 45940, 59722, 91880, 119444, 149305, 183760, 238888, 298610, 388193, 477776, 597220, 776386, 1194440, 1552772, 1940965, 2388880, 3105544, 3881930, 6211088, 7763860, 15527720, 31055440]

約数ペア:

[(1, 31055440), (2, 15527720), (4, 7763860), (5, 6211088), (8, 3881930), (10, 3105544), (13, 2388880), (16, 1940965), (20, 1552772), (26, 1194440), (40, 776386), (52, 597220), (65, 477776), (80, 388193), (104, 298610), (130, 238888), (169, 183760), (208, 149305), (260, 119444), (338, 91880), (520, 59722), (676, 45940), (845, 36752), (1040, 29861), (1352, 22970), (1690, 18376), (2297, 13520), (2704, 11485), (3380, 9188), (4594, 6760)]