2560668875

素因数分解:

$5^3\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{1153}}^1$

素因数の和:1440

約数の個数: 32

約数和(自身を含む): 3247632960

約数和(自身を除く): 686964085

約数列:

[1, 5, 25, 109, 125, 163, 545, 815, 1153, 2725, 4075, 5765, 13625, 17767, 20375, 28825, 88835, 125677, 144125, 187939, 444175, 628385, 939695, 2220875, 3141925, 4698475, 15709625, 20485351, 23492375, 102426755, 512133775, 2560668875]

約数ペア:

[(1, 2560668875), (5, 512133775), (25, 102426755), (109, 23492375), (125, 20485351), (163, 15709625), (545, 4698475), (815, 3141925), (1153, 2220875), (2725, 939695), (4075, 628385), (5765, 444175), (13625, 187939), (17767, 144125), (20375, 125677), (28825, 88835)]