15777880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4993}}^1$

素因数の和:5083

約数の個数: 32

約数和(自身を含む): 35956800

約数和(自身を除く): 20178920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 4993, 9986, 19972, 24965, 39944, 49930, 99860, 199720, 394447, 788894, 1577788, 1972235, 3155576, 3944470, 7888940, 15777880]

約数ペア:

[(1, 15777880), (2, 7888940), (4, 3944470), (5, 3155576), (8, 1972235), (10, 1577788), (20, 788894), (40, 394447), (79, 199720), (158, 99860), (316, 49930), (395, 39944), (632, 24965), (790, 19972), (1580, 9986), (3160, 4993)]