31320400

素因数分解:

$2^4\times 5^2\times {\mathrm{78301}}^1$

素因数の和:78319

約数の個数: 30

約数和(自身を含む): 75248222

約数和(自身を除く): 43927822

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 78301, 156602, 313204, 391505, 626408, 783010, 1252816, 1566020, 1957525, 3132040, 3915050, 6264080, 7830100, 15660200, 31320400]

約数ペア:

[(1, 31320400), (2, 15660200), (4, 7830100), (5, 6264080), (8, 3915050), (10, 3132040), (16, 1957525), (20, 1566020), (25, 1252816), (40, 783010), (50, 626408), (80, 391505), (100, 313204), (200, 156602), (400, 78301)]