45128120

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3559}}^1$

素因数の和:3887

約数の個数: 32

約数和(自身を含む): 101887200

約数和(自身を除く): 56759080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 3559, 6340, 7118, 12680, 14236, 17795, 28472, 35590, 71180, 142360, 1128203, 2256406, 4512812, 5641015, 9025624, 11282030, 22564060, 45128120]

約数ペア:

[(1, 45128120), (2, 22564060), (4, 11282030), (5, 9025624), (8, 5641015), (10, 4512812), (20, 2256406), (40, 1128203), (317, 142360), (634, 71180), (1268, 35590), (1585, 28472), (2536, 17795), (3170, 14236), (3559, 12680), (6340, 7118)]