418858907560

素因数分解:

$2^3\times 5^1\times {\mathrm{988901}}^1\times {\mathrm{10589}}^1$

素因数の和:999501

約数の個数: 32

約数和(自身を含む): 942522496200

約数和(自身を除く): 523663588640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10589, 21178, 42356, 52945, 84712, 105890, 211780, 423560, 988901, 1977802, 3955604, 4944505, 7911208, 9889010, 19778020, 39556040, 10471472689, 20942945378, 41885890756, 52357363445, 83771781512, 104714726890, 209429453780, 418858907560]

約数ペア:

[(1, 418858907560), (2, 209429453780), (4, 104714726890), (5, 83771781512), (8, 52357363445), (10, 41885890756), (20, 20942945378), (40, 10471472689), (10589, 39556040), (21178, 19778020), (42356, 9889010), (52945, 7911208), (84712, 4944505), (105890, 3955604), (211780, 1977802), (423560, 988901)]