201636806480

素因数分解:

$2^4\times 5^1\times {\mathrm{2520460081}}^1$

素因数の和:2520460094

約数の個数: 20

約数和(自身を含む): 468805575252

約数和(自身を除く): 267168768772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520460081, 5040920162, 10081840324, 12602300405, 20163680648, 25204600810, 40327361296, 50409201620, 100818403240, 201636806480]

約数ペア:

[(1, 201636806480), (2, 100818403240), (4, 50409201620), (5, 40327361296), (8, 25204600810), (10, 20163680648), (16, 12602300405), (20, 10081840324), (40, 5040920162), (80, 2520460081)]