2152120

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 4885920

約数和(自身を除く): 2733800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 311, 346, 622, 692, 865, 1244, 1384, 1555, 1730, 2488, 3110, 3460, 6220, 6920, 12440, 53803, 107606, 215212, 269015, 430424, 538030, 1076060, 2152120]

約数ペア:

[(1, 2152120), (2, 1076060), (4, 538030), (5, 430424), (8, 269015), (10, 215212), (20, 107606), (40, 53803), (173, 12440), (311, 6920), (346, 6220), (622, 3460), (692, 3110), (865, 2488), (1244, 1730), (1384, 1555)]