7940080

素因数分解:

$2^4\times 5^1\times {\mathrm{99251}}^1$

素因数の和:99264

約数の個数: 20

約数和(自身を含む): 18460872

約数和(自身を除く): 10520792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 99251, 198502, 397004, 496255, 794008, 992510, 1588016, 1985020, 3970040, 7940080]

約数ペア:

[(1, 7940080), (2, 3970040), (4, 1985020), (5, 1588016), (8, 992510), (10, 794008), (16, 496255), (20, 397004), (40, 198502), (80, 99251)]