2428520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 5524200

約数和(自身を除く): 3095680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 557, 872, 1090, 1114, 2180, 2228, 2785, 4360, 4456, 5570, 11140, 22280, 60713, 121426, 242852, 303565, 485704, 607130, 1214260, 2428520]

約数ペア:

[(1, 2428520), (2, 1214260), (4, 607130), (5, 485704), (8, 303565), (10, 242852), (20, 121426), (40, 60713), (109, 22280), (218, 11140), (436, 5570), (545, 4456), (557, 4360), (872, 2785), (1090, 2228), (1114, 2180)]