2668880

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:543

約数の個数: 40

約数和(自身を含む): 6303912

約数和(自身を除く): 3635032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 457, 584, 730, 914, 1168, 1460, 1828, 2285, 2920, 3656, 4570, 5840, 7312, 9140, 18280, 33361, 36560, 66722, 133444, 166805, 266888, 333610, 533776, 667220, 1334440, 2668880]

約数ペア:

[(1, 2668880), (2, 1334440), (4, 667220), (5, 533776), (8, 333610), (10, 266888), (16, 166805), (20, 133444), (40, 66722), (73, 36560), (80, 33361), (146, 18280), (292, 9140), (365, 7312), (457, 5840), (584, 4570), (730, 3656), (914, 2920), (1168, 2285), (1460, 1828)]