7211875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{1049}}^1$

素因数の和:1080

約数の個数: 20

約数和(自身を含む): 9840600

約数和(自身を除く): 2628725

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1049, 1375, 5245, 6875, 11539, 26225, 57695, 131125, 288475, 655625, 1442375, 7211875]

約数ペア:

[(1, 7211875), (5, 1442375), (11, 655625), (25, 288475), (55, 131125), (125, 57695), (275, 26225), (625, 11539), (1049, 6875), (1375, 5245)]