2157040

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 5111280

約数和(自身を除く): 2954240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 457, 472, 590, 914, 944, 1180, 1828, 2285, 2360, 3656, 4570, 4720, 7312, 9140, 18280, 26963, 36560, 53926, 107852, 134815, 215704, 269630, 431408, 539260, 1078520, 2157040]

約数ペア:

[(1, 2157040), (2, 1078520), (4, 539260), (5, 431408), (8, 269630), (10, 215704), (16, 134815), (20, 107852), (40, 53926), (59, 36560), (80, 26963), (118, 18280), (236, 9140), (295, 7312), (457, 4720), (472, 4570), (590, 3656), (914, 2360), (944, 2285), (1180, 1828)]