156672080

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4933}}^1$

素因数の和:5343

約数の個数: 40

約数和(自身を含む): 365254152

約数和(自身を除く): 208582072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 3176, 3970, 4933, 6352, 7940, 9866, 15880, 19732, 24665, 31760, 39464, 49330, 78928, 98660, 197320, 394640, 1958401, 3916802, 7833604, 9792005, 15667208, 19584010, 31334416, 39168020, 78336040, 156672080]

約数ペア:

[(1, 156672080), (2, 78336040), (4, 39168020), (5, 31334416), (8, 19584010), (10, 15667208), (16, 9792005), (20, 7833604), (40, 3916802), (80, 1958401), (397, 394640), (794, 197320), (1588, 98660), (1985, 78928), (3176, 49330), (3970, 39464), (4933, 31760), (6352, 24665), (7940, 19732), (9866, 15880)]