129373360

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22777}}^1$

素因数の和:22861

約数の個数: 40

約数和(自身を含む): 305042976

約数和(自身を除く): 175669616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 22777, 45554, 91108, 113885, 182216, 227770, 364432, 455540, 911080, 1617167, 1822160, 3234334, 6468668, 8085835, 12937336, 16171670, 25874672, 32343340, 64686680, 129373360]

約数ペア:

[(1, 129373360), (2, 64686680), (4, 32343340), (5, 25874672), (8, 16171670), (10, 12937336), (16, 8085835), (20, 6468668), (40, 3234334), (71, 1822160), (80, 1617167), (142, 911080), (284, 455540), (355, 364432), (568, 227770), (710, 182216), (1136, 113885), (1420, 91108), (2840, 45554), (5680, 22777)]