1880420

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{563}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 3979584

約数和(自身を除く): 2099164

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 563, 668, 835, 1126, 1670, 2252, 2815, 3340, 5630, 11260, 94021, 188042, 376084, 470105, 940210, 1880420]

約数ペア:

[(1, 1880420), (2, 940210), (4, 470105), (5, 376084), (10, 188042), (20, 94021), (167, 11260), (334, 5630), (563, 3340), (668, 2815), (835, 2252), (1126, 1670)]