38716780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21751}}^1$

素因数の和:21849

約数の個数: 24

約数和(自身を含む): 82222560

約数和(自身を除く): 43505780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 21751, 43502, 87004, 108755, 217510, 435020, 1935839, 3871678, 7743356, 9679195, 19358390, 38716780]

約数ペア:

[(1, 38716780), (2, 19358390), (4, 9679195), (5, 7743356), (10, 3871678), (20, 1935839), (89, 435020), (178, 217510), (356, 108755), (445, 87004), (890, 43502), (1780, 21751)]