31270760

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3271}}^1$

素因数の和:3521

約数の個数: 32

約数和(自身を含む): 70675200

約数和(自身を除く): 39404440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 3271, 4780, 6542, 9560, 13084, 16355, 26168, 32710, 65420, 130840, 781769, 1563538, 3127076, 3908845, 6254152, 7817690, 15635380, 31270760]

約数ペア:

[(1, 31270760), (2, 15635380), (4, 7817690), (5, 6254152), (8, 3908845), (10, 3127076), (20, 1563538), (40, 781769), (239, 130840), (478, 65420), (956, 32710), (1195, 26168), (1912, 16355), (2390, 13084), (3271, 9560), (4780, 6542)]