40982440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23827}}^1$

素因数の和:23881

約数の個数: 32

約数和(自身を含む): 94358880

約数和(自身を除く): 53376440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23827, 47654, 95308, 119135, 190616, 238270, 476540, 953080, 1024561, 2049122, 4098244, 5122805, 8196488, 10245610, 20491220, 40982440]

約数ペア:

[(1, 40982440), (2, 20491220), (4, 10245610), (5, 8196488), (8, 5122805), (10, 4098244), (20, 2049122), (40, 1024561), (43, 953080), (86, 476540), (172, 238270), (215, 190616), (344, 119135), (430, 95308), (860, 47654), (1720, 23827)]