61402520

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3359}}^1$

素因数の和:3827

約数の個数: 32

約数和(自身を含む): 138499200

約数和(自身を除く): 77096680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3359, 3656, 4570, 6718, 9140, 13436, 16795, 18280, 26872, 33590, 67180, 134360, 1535063, 3070126, 6140252, 7675315, 12280504, 15350630, 30701260, 61402520]

約数ペア:

[(1, 61402520), (2, 30701260), (4, 15350630), (5, 12280504), (8, 7675315), (10, 6140252), (20, 3070126), (40, 1535063), (457, 134360), (914, 67180), (1828, 33590), (2285, 26872), (3359, 18280), (3656, 16795), (4570, 13436), (6718, 9140)]