5116400

素因数分解:

$2^4\times 5^2\times {\mathrm{12791}}^1$

素因数の和:12809

約数の個数: 30

約数和(自身を含む): 12293112

約数和(自身を除く): 7176712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 12791, 25582, 51164, 63955, 102328, 127910, 204656, 255820, 319775, 511640, 639550, 1023280, 1279100, 2558200, 5116400]

約数ペア:

[(1, 5116400), (2, 2558200), (4, 1279100), (5, 1023280), (8, 639550), (10, 511640), (16, 319775), (20, 255820), (25, 204656), (40, 127910), (50, 102328), (80, 63955), (100, 51164), (200, 25582), (400, 12791)]