1009640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 2328480

約数和(自身を除く): 1318840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 587, 860, 1174, 1720, 2348, 2935, 4696, 5870, 11740, 23480, 25241, 50482, 100964, 126205, 201928, 252410, 504820, 1009640]

約数ペア:

[(1, 1009640), (2, 504820), (4, 252410), (5, 201928), (8, 126205), (10, 100964), (20, 50482), (40, 25241), (43, 23480), (86, 11740), (172, 5870), (215, 4696), (344, 2935), (430, 2348), (587, 1720), (860, 1174)]