7989200

素因数分解:

$2^4\times 5^2\times {\mathrm{19973}}^1$

素因数の和:19991

約数の個数: 30

約数和(自身を含む): 19195014

約数和(自身を除く): 11205814

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 19973, 39946, 79892, 99865, 159784, 199730, 319568, 399460, 499325, 798920, 998650, 1597840, 1997300, 3994600, 7989200]

約数ペア:

[(1, 7989200), (2, 3994600), (4, 1997300), (5, 1597840), (8, 998650), (10, 798920), (16, 499325), (20, 399460), (25, 319568), (40, 199730), (50, 159784), (80, 99865), (100, 79892), (200, 39946), (400, 19973)]