85432280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68897}}^1$

素因数の和:68939

約数の個数: 32

約数和(自身を含む): 198426240

約数和(自身を除く): 112993960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 68897, 137794, 275588, 344485, 551176, 688970, 1377940, 2135807, 2755880, 4271614, 8543228, 10679035, 17086456, 21358070, 42716140, 85432280]

約数ペア:

[(1, 85432280), (2, 42716140), (4, 21358070), (5, 17086456), (8, 10679035), (10, 8543228), (20, 4271614), (31, 2755880), (40, 2135807), (62, 1377940), (124, 688970), (155, 551176), (248, 344485), (310, 275588), (620, 137794), (1240, 68897)]