201622640

素因数分解:

$2^4\times 5^1\times {\mathrm{2520283}}^1$

素因数の和:2520296

約数の個数: 20

約数和(自身を含む): 468772824

約数和(自身を除く): 267150184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520283, 5040566, 10081132, 12601415, 20162264, 25202830, 40324528, 50405660, 100811320, 201622640]

約数ペア:

[(1, 201622640), (2, 100811320), (4, 50405660), (5, 40324528), (8, 25202830), (10, 20162264), (16, 12601415), (20, 10081132), (40, 5040566), (80, 2520283)]