131119400

素因数分解:

$2^3\times 5^2\times {\mathrm{655597}}^1$

素因数の和:655613

約数の個数: 24

約数和(自身を含む): 304853070

約数和(自身を除く): 173733670

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 655597, 1311194, 2622388, 3277985, 5244776, 6555970, 13111940, 16389925, 26223880, 32779850, 65559700, 131119400]

約数ペア:

[(1, 131119400), (2, 65559700), (4, 32779850), (5, 26223880), (8, 16389925), (10, 13111940), (20, 6555970), (25, 5244776), (40, 3277985), (50, 2622388), (100, 1311194), (200, 655597)]