201290680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70877}}^1$

素因数の和:70959

約数の個数: 32

約数和(自身を含む): 459289440

約数和(自身を除く): 257998760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 70877, 141754, 283508, 354385, 567016, 708770, 1417540, 2835080, 5032267, 10064534, 20129068, 25161335, 40258136, 50322670, 100645340, 201290680]

約数ペア:

[(1, 201290680), (2, 100645340), (4, 50322670), (5, 40258136), (8, 25161335), (10, 20129068), (20, 10064534), (40, 5032267), (71, 2835080), (142, 1417540), (284, 708770), (355, 567016), (568, 354385), (710, 283508), (1420, 141754), (2840, 70877)]