7715920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2243}}^1$

素因数の和:2299

約数の個数: 40

約数和(自身を含む): 18364896

約数和(自身を除く): 10648976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2243, 3440, 4486, 8972, 11215, 17944, 22430, 35888, 44860, 89720, 96449, 179440, 192898, 385796, 482245, 771592, 964490, 1543184, 1928980, 3857960, 7715920]

約数ペア:

[(1, 7715920), (2, 3857960), (4, 1928980), (5, 1543184), (8, 964490), (10, 771592), (16, 482245), (20, 385796), (40, 192898), (43, 179440), (80, 96449), (86, 89720), (172, 44860), (215, 35888), (344, 22430), (430, 17944), (688, 11215), (860, 8972), (1720, 4486), (2243, 3440)]