40496780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22751}}^1$

素因数の和:22849

約数の個数: 24

約数和(自身を含む): 86002560

約数和(自身を除く): 45505780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 22751, 45502, 91004, 113755, 227510, 455020, 2024839, 4049678, 8099356, 10124195, 20248390, 40496780]

約数ペア:

[(1, 40496780), (2, 20248390), (4, 10124195), (5, 8099356), (10, 4049678), (20, 2024839), (89, 455020), (178, 227510), (356, 113755), (445, 91004), (890, 45502), (1780, 22751)]