39359240

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7079}}^1$

素因数の和:7229

約数の個数: 32

約数和(自身を含む): 89208000

約数和(自身を除く): 49848760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 7079, 14158, 28316, 35395, 56632, 70790, 141580, 283160, 983981, 1967962, 3935924, 4919905, 7871848, 9839810, 19679620, 39359240]

約数ペア:

[(1, 39359240), (2, 19679620), (4, 9839810), (5, 7871848), (8, 4919905), (10, 3935924), (20, 1967962), (40, 983981), (139, 283160), (278, 141580), (556, 70790), (695, 56632), (1112, 35395), (1390, 28316), (2780, 14158), (5560, 7079)]