81440930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{354091}}^1$

素因数の和:354121

約数の個数: 16

約数和(自身を含む): 152967744

約数和(自身を除く): 71526814

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 354091, 708182, 1770455, 3540910, 8144093, 16288186, 40720465, 81440930]

約数ペア:

[(1, 81440930), (2, 40720465), (5, 16288186), (10, 8144093), (23, 3540910), (46, 1770455), (115, 708182), (230, 354091)]