7888940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4993}}^1$

素因数の和:5081

約数の個数: 24

約数和(自身を含む): 16779840

約数和(自身を除く): 8890900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 4993, 9986, 19972, 24965, 49930, 99860, 394447, 788894, 1577788, 1972235, 3944470, 7888940]

約数ペア:

[(1, 7888940), (2, 3944470), (4, 1972235), (5, 1577788), (10, 788894), (20, 394447), (79, 99860), (158, 49930), (316, 24965), (395, 19972), (790, 9986), (1580, 4993)]