4857040

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:679

約数の個数: 40

約数和(自身を含む): 11416680

約数和(自身を除く): 6559640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 557, 872, 1090, 1114, 1744, 2180, 2228, 2785, 4360, 4456, 5570, 8720, 8912, 11140, 22280, 44560, 60713, 121426, 242852, 303565, 485704, 607130, 971408, 1214260, 2428520, 4857040]

約数ペア:

[(1, 4857040), (2, 2428520), (4, 1214260), (5, 971408), (8, 607130), (10, 485704), (16, 303565), (20, 242852), (40, 121426), (80, 60713), (109, 44560), (218, 22280), (436, 11140), (545, 8912), (557, 8720), (872, 5570), (1090, 4456), (1114, 4360), (1744, 2785), (2180, 2228)]