69210040

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{8783}}^1$

素因数の和:8991

約数の個数: 32

約数和(自身を含む): 156530880

約数和(自身を除く): 87320840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 8783, 17566, 35132, 43915, 70264, 87830, 175660, 351320, 1730251, 3460502, 6921004, 8651255, 13842008, 17302510, 34605020, 69210040]

約数ペア:

[(1, 69210040), (2, 34605020), (4, 17302510), (5, 13842008), (8, 8651255), (10, 6921004), (20, 3460502), (40, 1730251), (197, 351320), (394, 175660), (788, 87830), (985, 70264), (1576, 43915), (1970, 35132), (3940, 17566), (7880, 8783)]