129725560

素因数分解:

$2^3\times 5^1\times {\mathrm{929}}^1\times {\mathrm{3491}}^1$

素因数の和:4431

約数の個数: 32

約数和(自身を含む): 292280400

約数和(自身を除く): 162554840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 929, 1858, 3491, 3716, 4645, 6982, 7432, 9290, 13964, 17455, 18580, 27928, 34910, 37160, 69820, 139640, 3243139, 6486278, 12972556, 16215695, 25945112, 32431390, 64862780, 129725560]

約数ペア:

[(1, 129725560), (2, 64862780), (4, 32431390), (5, 25945112), (8, 16215695), (10, 12972556), (20, 6486278), (40, 3243139), (929, 139640), (1858, 69820), (3491, 37160), (3716, 34910), (4645, 27928), (6982, 18580), (7432, 17455), (9290, 13964)]