128538875

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{601}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 169041600

約数和(自身を除く): 40502725

約数列:

[1, 5, 25, 29, 59, 125, 145, 295, 601, 725, 1475, 1711, 3005, 3625, 7375, 8555, 15025, 17429, 35459, 42775, 75125, 87145, 177295, 213875, 435725, 886475, 1028311, 2178625, 4432375, 5141555, 25707775, 128538875]

約数ペア:

[(1, 128538875), (5, 25707775), (25, 5141555), (29, 4432375), (59, 2178625), (125, 1028311), (145, 886475), (295, 435725), (601, 213875), (725, 177295), (1475, 87145), (1711, 75125), (3005, 42775), (3625, 35459), (7375, 17429), (8555, 15025)]