87406390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{110641}}^1$

素因数の和:110727

約数の個数: 16

約数和(自身を含む): 159324480

約数和(自身を除く): 71918090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 110641, 221282, 553205, 1106410, 8740639, 17481278, 43703195, 87406390]

約数ペア:

[(1, 87406390), (2, 43703195), (5, 17481278), (10, 8740639), (79, 1106410), (158, 553205), (395, 221282), (790, 110641)]