83981200

素因数分解:

$2^4\times 5^2\times {\mathrm{209953}}^1$

素因数の和:209971

約数の個数: 30

約数和(自身を含む): 201765794

約数和(自身を除く): 117784594

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 209953, 419906, 839812, 1049765, 1679624, 2099530, 3359248, 4199060, 5248825, 8398120, 10497650, 16796240, 20995300, 41990600, 83981200]

約数ペア:

[(1, 83981200), (2, 41990600), (4, 20995300), (5, 16796240), (8, 10497650), (10, 8398120), (16, 5248825), (20, 4199060), (25, 3359248), (40, 2099530), (50, 1679624), (80, 1049765), (100, 839812), (200, 419906), (400, 209953)]