220325200

素因数分解:

$2^4\times 5^2\times {\mathrm{550813}}^1$

素因数の和:550831

約数の個数: 30

約数和(自身を含む): 529332254

約数和(自身を除く): 309007054

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 550813, 1101626, 2203252, 2754065, 4406504, 5508130, 8813008, 11016260, 13770325, 22032520, 27540650, 44065040, 55081300, 110162600, 220325200]

約数ペア:

[(1, 220325200), (2, 110162600), (4, 55081300), (5, 44065040), (8, 27540650), (10, 22032520), (16, 13770325), (20, 11016260), (25, 8813008), (40, 5508130), (50, 4406504), (80, 2754065), (100, 2203252), (200, 1101626), (400, 550813)]