1985388625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{1721}}^1$

素因数の和:2586

約数の個数: 32

約数和(自身を含む): 2707810560

約数和(自身を除く): 722421935

約数列:

[1, 5, 11, 25, 55, 125, 275, 839, 1375, 1721, 4195, 8605, 9229, 18931, 20975, 43025, 46145, 94655, 104875, 215125, 230725, 473275, 1153625, 1443919, 2366375, 7219595, 15883109, 36097975, 79415545, 180489875, 397077725, 1985388625]

約数ペア:

[(1, 1985388625), (5, 397077725), (11, 180489875), (25, 79415545), (55, 36097975), (125, 15883109), (275, 7219595), (839, 2366375), (1375, 1443919), (1721, 1153625), (4195, 473275), (8605, 230725), (9229, 215125), (18931, 104875), (20975, 94655), (43025, 46145)]