8257240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12143}}^1$

素因数の和:12171

約数の個数: 32

約数和(自身を含む): 19673280

約数和(自身を除く): 11416040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12143, 24286, 48572, 60715, 97144, 121430, 206431, 242860, 412862, 485720, 825724, 1032155, 1651448, 2064310, 4128620, 8257240]

約数ペア:

[(1, 8257240), (2, 4128620), (4, 2064310), (5, 1651448), (8, 1032155), (10, 825724), (17, 485720), (20, 412862), (34, 242860), (40, 206431), (68, 121430), (85, 97144), (136, 60715), (170, 48572), (340, 24286), (680, 12143)]