86069020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138821}}^1$

素因数の和:138861

約数の個数: 24

約数和(自身を含む): 186576768

約数和(自身を除く): 100507748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 138821, 277642, 555284, 694105, 1388210, 2776420, 4303451, 8606902, 17213804, 21517255, 43034510, 86069020]

約数ペア:

[(1, 86069020), (2, 43034510), (4, 21517255), (5, 17213804), (10, 8606902), (20, 4303451), (31, 2776420), (62, 1388210), (124, 694105), (155, 555284), (310, 277642), (620, 138821)]