128828875

素因数分解:

$5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5077}}^1$

素因数の和:5128

約数の個数: 32

約数和(自身を含む): 190120320

約数和(自身を除く): 61291445

約数列:

[1, 5, 7, 25, 29, 35, 125, 145, 175, 203, 725, 875, 1015, 3625, 5075, 5077, 25375, 25385, 35539, 126925, 147233, 177695, 634625, 736165, 888475, 1030631, 3680825, 4442375, 5153155, 18404125, 25765775, 128828875]

約数ペア:

[(1, 128828875), (5, 25765775), (7, 18404125), (25, 5153155), (29, 4442375), (35, 3680825), (125, 1030631), (145, 888475), (175, 736165), (203, 634625), (725, 177695), (875, 147233), (1015, 126925), (3625, 35539), (5075, 25385), (5077, 25375)]