38538040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8839}}^1$

素因数の和:8959

約数の個数: 32

約数和(自身を含む): 87516000

約数和(自身を除く): 48977960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 8839, 17678, 35356, 44195, 70712, 88390, 176780, 353560, 963451, 1926902, 3853804, 4817255, 7707608, 9634510, 19269020, 38538040]

約数ペア:

[(1, 38538040), (2, 19269020), (4, 9634510), (5, 7707608), (8, 4817255), (10, 3853804), (20, 1926902), (40, 963451), (109, 353560), (218, 176780), (436, 88390), (545, 70712), (872, 44195), (1090, 35356), (2180, 17678), (4360, 8839)]