2555420.00000000

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1090909}}^1$

素因数の和:1090921

約数の個数: 24

約数和(自身を含む): 183272880

約数和(自身を除く): 117818340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1090909, 2181818, 3272727, 4363636, 5454545, 6545454, 10909090, 13090908, 16363635, 21818180, 32727270, 65454540]

約数ペア:

[(1, 65454540), (2, 32727270), (3, 21818180), (4, 16363635), (5, 13090908), (6, 10909090), (10, 6545454), (12, 5454545), (15, 4363636), (20, 3272727), (30, 2181818), (60, 1090909)]