23157040

素因数分解:

$2^4\times 5^1\times {\mathrm{289463}}^1$

素因数の和:289476

約数の個数: 20

約数和(自身を含む): 53840304

約数和(自身を除く): 30683264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 289463, 578926, 1157852, 1447315, 2315704, 2894630, 4631408, 5789260, 11578520, 23157040]

約数ペア:

[(1, 23157040), (2, 11578520), (4, 5789260), (5, 4631408), (8, 2894630), (10, 2315704), (16, 1447315), (20, 1157852), (40, 578926), (80, 289463)]