131021200

素因数分解:

$2^4\times 5^2\times {\mathrm{327553}}^1$

素因数の和:327571

約数の個数: 30

約数和(自身を含む): 314779394

約数和(自身を除く): 183758194

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 327553, 655106, 1310212, 1637765, 2620424, 3275530, 5240848, 6551060, 8188825, 13102120, 16377650, 26204240, 32755300, 65510600, 131021200]

約数ペア:

[(1, 131021200), (2, 65510600), (4, 32755300), (5, 26204240), (8, 16377650), (10, 13102120), (16, 8188825), (20, 6551060), (25, 5240848), (40, 3275530), (50, 2620424), (80, 1637765), (100, 1310212), (200, 655106), (400, 327553)]