15248740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 34771968

約数和(自身を除く): 19523228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 263, 446, 526, 892, 1052, 1115, 1315, 2230, 2630, 2899, 3419, 4460, 5260, 5798, 6838, 11596, 13676, 14495, 17095, 28990, 34190, 57980, 58649, 68380, 117298, 234596, 293245, 586490, 762437, 1172980, 1524874, 3049748, 3812185, 7624370, 15248740]

約数ペア:

[(1, 15248740), (2, 7624370), (4, 3812185), (5, 3049748), (10, 1524874), (13, 1172980), (20, 762437), (26, 586490), (52, 293245), (65, 234596), (130, 117298), (223, 68380), (260, 58649), (263, 57980), (446, 34190), (526, 28990), (892, 17095), (1052, 14495), (1115, 13676), (1315, 11596), (2230, 6838), (2630, 5798), (2899, 5260), (3419, 4460)]