71439880

素因数分解:

$2^3\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{1549}}^1$

素因数の和:2713

約数の個数: 32

約数和(自身を含む): 160983000

約数和(自身を除く): 89543120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1153, 1549, 2306, 3098, 4612, 5765, 6196, 7745, 9224, 11530, 12392, 15490, 23060, 30980, 46120, 61960, 1785997, 3571994, 7143988, 8929985, 14287976, 17859970, 35719940, 71439880]

約数ペア:

[(1, 71439880), (2, 35719940), (4, 17859970), (5, 14287976), (8, 8929985), (10, 7143988), (20, 3571994), (40, 1785997), (1153, 61960), (1549, 46120), (2306, 30980), (3098, 23060), (4612, 15490), (5765, 12392), (6196, 11530), (7745, 9224)]