54382960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15809}}^1$

素因数の和:15865

約数の個数: 40

約数和(自身を含む): 129389040

約数和(自身を除く): 75006080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 15809, 31618, 63236, 79045, 126472, 158090, 252944, 316180, 632360, 679787, 1264720, 1359574, 2719148, 3398935, 5438296, 6797870, 10876592, 13595740, 27191480, 54382960]

約数ペア:

[(1, 54382960), (2, 27191480), (4, 13595740), (5, 10876592), (8, 6797870), (10, 5438296), (16, 3398935), (20, 2719148), (40, 1359574), (43, 1264720), (80, 679787), (86, 632360), (172, 316180), (215, 252944), (344, 158090), (430, 126472), (688, 79045), (860, 63236), (1720, 31618), (3440, 15809)]