439603960

素因数分解:

$2^3\times 5^1\times {\mathrm{2417}}^1\times {\mathrm{4547}}^1$

素因数の和:6975

約数の個数: 32

約数和(自身を含む): 989735760

約数和(自身を除く): 550131800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2417, 4547, 4834, 9094, 9668, 12085, 18188, 19336, 22735, 24170, 36376, 45470, 48340, 90940, 96680, 181880, 10990099, 21980198, 43960396, 54950495, 87920792, 109900990, 219801980, 439603960]

約数ペア:

[(1, 439603960), (2, 219801980), (4, 109900990), (5, 87920792), (8, 54950495), (10, 43960396), (20, 21980198), (40, 10990099), (2417, 181880), (4547, 96680), (4834, 90940), (9094, 48340), (9668, 45470), (12085, 36376), (18188, 24170), (19336, 22735)]