71627960

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3677}}^1$

素因数の和:4175

約数の個数: 32

約数和(自身を含む): 161537760

約数和(自身を除く): 89909800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3677, 3896, 4870, 7354, 9740, 14708, 18385, 19480, 29416, 36770, 73540, 147080, 1790699, 3581398, 7162796, 8953495, 14325592, 17906990, 35813980, 71627960]

約数ペア:

[(1, 71627960), (2, 35813980), (4, 17906990), (5, 14325592), (8, 8953495), (10, 7162796), (20, 3581398), (40, 1790699), (487, 147080), (974, 73540), (1948, 36770), (2435, 29416), (3677, 19480), (3896, 18385), (4870, 14708), (7354, 9740)]