20252500

素因数分解:

$2^2\times 5^4\times {\mathrm{8101}}^1$

素因数の和:8125

約数の個数: 30

約数和(自身を含む): 44293634

約数和(自身を除く): 24041134

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 8101, 16202, 32404, 40505, 81010, 162020, 202525, 405050, 810100, 1012625, 2025250, 4050500, 5063125, 10126250, 20252500]

約数ペア:

[(1, 20252500), (2, 10126250), (4, 5063125), (5, 4050500), (10, 2025250), (20, 1012625), (25, 810100), (50, 405050), (100, 202525), (125, 162020), (250, 81010), (500, 40505), (625, 32404), (1250, 16202), (2500, 8101)]