20120500

素因数分解:

$2^2\times 5^3\times {\mathrm{40241}}^1$

素因数の和:40260

約数の個数: 24

約数和(自身を含む): 43944264

約数和(自身を除く): 23823764

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 40241, 80482, 160964, 201205, 402410, 804820, 1006025, 2012050, 4024100, 5030125, 10060250, 20120500]

約数ペア:

[(1, 20120500), (2, 10060250), (4, 5030125), (5, 4024100), (10, 2012050), (20, 1006025), (25, 804820), (50, 402410), (100, 201205), (125, 160964), (250, 80482), (500, 40241)]