22261640

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3217}}^1$

素因数の和:3401

約数の個数: 32

約数和(自身を含む): 50393880

約数和(自身を除く): 28132240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3217, 3460, 6434, 6920, 12868, 16085, 25736, 32170, 64340, 128680, 556541, 1113082, 2226164, 2782705, 4452328, 5565410, 11130820, 22261640]

約数ペア:

[(1, 22261640), (2, 11130820), (4, 5565410), (5, 4452328), (8, 2782705), (10, 2226164), (20, 1113082), (40, 556541), (173, 128680), (346, 64340), (692, 32170), (865, 25736), (1384, 16085), (1730, 12868), (3217, 6920), (3460, 6434)]