2152840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 4898880

約数和(自身を除く): 2746040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 503, 535, 856, 1006, 1070, 2012, 2140, 2515, 4024, 4280, 5030, 10060, 20120, 53821, 107642, 215284, 269105, 430568, 538210, 1076420, 2152840]

約数ペア:

[(1, 2152840), (2, 1076420), (4, 538210), (5, 430568), (8, 269105), (10, 215284), (20, 107642), (40, 53821), (107, 20120), (214, 10060), (428, 5030), (503, 4280), (535, 4024), (856, 2515), (1006, 2140), (1070, 2012)]