169976080

素因数分解:

$2^4\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{2081}}^1$

素因数の和:3115

約数の個数: 40

約数和(自身を含む): 395771544

約数和(自身を除く): 225795464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1021, 2042, 2081, 4084, 4162, 5105, 8168, 8324, 10210, 10405, 16336, 16648, 20420, 20810, 33296, 40840, 41620, 81680, 83240, 166480, 2124701, 4249402, 8498804, 10623505, 16997608, 21247010, 33995216, 42494020, 84988040, 169976080]

約数ペア:

[(1, 169976080), (2, 84988040), (4, 42494020), (5, 33995216), (8, 21247010), (10, 16997608), (16, 10623505), (20, 8498804), (40, 4249402), (80, 2124701), (1021, 166480), (2042, 83240), (2081, 81680), (4084, 41620), (4162, 40840), (5105, 33296), (8168, 20810), (8324, 20420), (10210, 16648), (10405, 16336)]