168343960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{38611}}^1$

素因数の和:38731

約数の個数: 32

約数和(自身を含む): 382258800

約数和(自身を除く): 213914840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 38611, 77222, 154444, 193055, 308888, 386110, 772220, 1544440, 4208599, 8417198, 16834396, 21042995, 33668792, 42085990, 84171980, 168343960]

約数ペア:

[(1, 168343960), (2, 84171980), (4, 42085990), (5, 33668792), (8, 21042995), (10, 16834396), (20, 8417198), (40, 4208599), (109, 1544440), (218, 772220), (436, 386110), (545, 308888), (872, 193055), (1090, 154444), (2180, 77222), (4360, 38611)]