87792890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{214129}}^1$

素因数の和:214177

約数の個数: 16

約数和(自身を含む): 161882280

約数和(自身を除く): 74089390

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 214129, 428258, 1070645, 2141290, 8779289, 17558578, 43896445, 87792890]

約数ペア:

[(1, 87792890), (2, 43896445), (5, 17558578), (10, 8779289), (41, 2141290), (82, 1070645), (205, 428258), (410, 214129)]