23815280

素因数分解:

$2^4\times 5^1\times {\mathrm{297691}}^1$

素因数の和:297704

約数の個数: 20

約数和(自身を含む): 55370712

約数和(自身を除く): 31555432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 297691, 595382, 1190764, 1488455, 2381528, 2976910, 4763056, 5953820, 11907640, 23815280]

約数ペア:

[(1, 23815280), (2, 11907640), (4, 5953820), (5, 4763056), (8, 2976910), (10, 2381528), (16, 1488455), (20, 1190764), (40, 595382), (80, 297691)]