845200

素因数分解:

$2^4\times 5^2\times {\mathrm{2113}}^1$

素因数の和:2131

約数の個数: 30

約数和(自身を含む): 2031554

約数和(自身を除く): 1186354

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2113, 4226, 8452, 10565, 16904, 21130, 33808, 42260, 52825, 84520, 105650, 169040, 211300, 422600, 845200]

約数ペア:

[(1, 845200), (2, 422600), (4, 211300), (5, 169040), (8, 105650), (10, 84520), (16, 52825), (20, 42260), (25, 33808), (40, 21130), (50, 16904), (80, 10565), (100, 8452), (200, 4226), (400, 2113)]