12477880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8431}}^1$

素因数の和:8479

約数の個数: 32

約数和(自身を含む): 28837440

約数和(自身を除く): 16359560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 8431, 16862, 33724, 42155, 67448, 84310, 168620, 311947, 337240, 623894, 1247788, 1559735, 2495576, 3119470, 6238940, 12477880]

約数ペア:

[(1, 12477880), (2, 6238940), (4, 3119470), (5, 2495576), (8, 1559735), (10, 1247788), (20, 623894), (37, 337240), (40, 311947), (74, 168620), (148, 84310), (185, 67448), (296, 42155), (370, 33724), (740, 16862), (1480, 8431)]