8387240

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{683}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 18960480

約数和(自身を除く): 10573240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 683, 1228, 1366, 1535, 2456, 2732, 3070, 3415, 5464, 6140, 6830, 12280, 13660, 27320, 209681, 419362, 838724, 1048405, 1677448, 2096810, 4193620, 8387240]

約数ペア:

[(1, 8387240), (2, 4193620), (4, 2096810), (5, 1677448), (8, 1048405), (10, 838724), (20, 419362), (40, 209681), (307, 27320), (614, 13660), (683, 12280), (1228, 6830), (1366, 6140), (1535, 5464), (2456, 3415), (2732, 3070)]