142365880

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{5501}}^1$

素因数の和:6159

約数の個数: 32

約数和(自身を含む): 320876640

約数和(自身を除く): 178510760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 5176, 5501, 6470, 11002, 12940, 22004, 25880, 27505, 44008, 55010, 110020, 220040, 3559147, 7118294, 14236588, 17795735, 28473176, 35591470, 71182940, 142365880]

約数ペア:

[(1, 142365880), (2, 71182940), (4, 35591470), (5, 28473176), (8, 17795735), (10, 14236588), (20, 7118294), (40, 3559147), (647, 220040), (1294, 110020), (2588, 55010), (3235, 44008), (5176, 27505), (5501, 25880), (6470, 22004), (11002, 12940)]