16587620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1087}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 40212480

約数和(自身を除く): 23624860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1087, 1090, 1526, 2174, 2180, 3052, 3815, 4348, 5435, 7609, 7630, 10870, 15218, 15260, 21740, 30436, 38045, 76090, 118483, 152180, 236966, 473932, 592415, 829381, 1184830, 1658762, 2369660, 3317524, 4146905, 8293810, 16587620]

約数ペア:

[(1, 16587620), (2, 8293810), (4, 4146905), (5, 3317524), (7, 2369660), (10, 1658762), (14, 1184830), (20, 829381), (28, 592415), (35, 473932), (70, 236966), (109, 152180), (140, 118483), (218, 76090), (436, 38045), (545, 30436), (763, 21740), (1087, 15260), (1090, 15218), (1526, 10870), (2174, 7630), (2180, 7609), (3052, 5435), (3815, 4348)]