89467580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{235441}}^1$

素因数の和:235469

約数の個数: 24

約数和(自身を含む): 197771280

約数和(自身を除く): 108303700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 235441, 470882, 941764, 1177205, 2354410, 4473379, 4708820, 8946758, 17893516, 22366895, 44733790, 89467580]

約数ペア:

[(1, 89467580), (2, 44733790), (4, 22366895), (5, 17893516), (10, 8946758), (19, 4708820), (20, 4473379), (38, 2354410), (76, 1177205), (95, 941764), (190, 470882), (380, 235441)]