85785680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34591}}^1$

素因数の和:34635

約数の個数: 40

約数和(自身を含む): 205891584

約数和(自身を除く): 120105904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 34591, 69182, 138364, 172955, 276728, 345910, 553456, 691820, 1072321, 1383640, 2144642, 2767280, 4289284, 5361605, 8578568, 10723210, 17157136, 21446420, 42892840, 85785680]

約数ペア:

[(1, 85785680), (2, 42892840), (4, 21446420), (5, 17157136), (8, 10723210), (10, 8578568), (16, 5361605), (20, 4289284), (31, 2767280), (40, 2144642), (62, 1383640), (80, 1072321), (124, 691820), (155, 553456), (248, 345910), (310, 276728), (496, 172955), (620, 138364), (1240, 69182), (2480, 34591)]