23818640

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1721}}^1$

素因数の和:1907

約数の個数: 40

約数和(自身を含む): 55730808

約数和(自身を除く): 31912168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1721, 1730, 2768, 3442, 3460, 6884, 6920, 8605, 13768, 13840, 17210, 27536, 34420, 68840, 137680, 297733, 595466, 1190932, 1488665, 2381864, 2977330, 4763728, 5954660, 11909320, 23818640]

約数ペア:

[(1, 23818640), (2, 11909320), (4, 5954660), (5, 4763728), (8, 2977330), (10, 2381864), (16, 1488665), (20, 1190932), (40, 595466), (80, 297733), (173, 137680), (346, 68840), (692, 34420), (865, 27536), (1384, 17210), (1721, 13840), (1730, 13768), (2768, 8605), (3442, 6920), (3460, 6884)]