156080

素因数分解:

$2^4\times 5^1\times {\mathrm{1951}}^1$

素因数の和:1964

約数の個数: 20

約数和(自身を含む): 363072

約数和(自身を除く): 206992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1951, 3902, 7804, 9755, 15608, 19510, 31216, 39020, 78040, 156080]

約数ペア:

[(1, 156080), (2, 78040), (4, 39020), (5, 31216), (8, 19510), (10, 15608), (16, 9755), (20, 7804), (40, 3902), (80, 1951)]