87405860

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{2939}}^1$

素因数の和:4435

約数の個数: 24

約数和(自身を含む): 183738240

約数和(自身を除く): 96332380

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2939, 2974, 5878, 5948, 7435, 11756, 14695, 14870, 29390, 29740, 58780, 4370293, 8740586, 17481172, 21851465, 43702930, 87405860]

約数ペア:

[(1, 87405860), (2, 43702930), (4, 21851465), (5, 17481172), (10, 8740586), (20, 4370293), (1487, 58780), (2939, 29740), (2974, 29390), (5878, 14870), (5948, 14695), (7435, 11756)]