131118800

素因数分解:

$2^4\times 5^2\times {\mathrm{327797}}^1$

素因数の和:327815

約数の個数: 30

約数和(自身を含む): 315013878

約数和(自身を除く): 183895078

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 327797, 655594, 1311188, 1638985, 2622376, 3277970, 5244752, 6555940, 8194925, 13111880, 16389850, 26223760, 32779700, 65559400, 131118800]

約数ペア:

[(1, 131118800), (2, 65559400), (4, 32779700), (5, 26223760), (8, 16389850), (10, 13111880), (16, 8194925), (20, 6555940), (25, 5244752), (40, 3277970), (50, 2622376), (80, 1638985), (100, 1311188), (200, 655594), (400, 327797)]