89385680

素因数分解:

$2^4\times 5^1\times {\mathrm{1117321}}^1$

素因数の和:1117334

約数の個数: 20

約数和(自身を含む): 207821892

約数和(自身を除く): 118436212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1117321, 2234642, 4469284, 5586605, 8938568, 11173210, 17877136, 22346420, 44692840, 89385680]

約数ペア:

[(1, 89385680), (2, 44692840), (4, 22346420), (5, 17877136), (8, 11173210), (10, 8938568), (16, 5586605), (20, 4469284), (40, 2234642), (80, 1117321)]