85300840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68791}}^1$

素因数の和:68833

約数の個数: 32

約数和(自身を含む): 198120960

約数和(自身を除く): 112820120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 68791, 137582, 275164, 343955, 550328, 687910, 1375820, 2132521, 2751640, 4265042, 8530084, 10662605, 17060168, 21325210, 42650420, 85300840]

約数ペア:

[(1, 85300840), (2, 42650420), (4, 21325210), (5, 17060168), (8, 10662605), (10, 8530084), (20, 4265042), (31, 2751640), (40, 2132521), (62, 1375820), (124, 687910), (155, 550328), (248, 343955), (310, 275164), (620, 137582), (1240, 68791)]