168881375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1009}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 229407360

約数和(自身を除く): 60525985

約数列:

[1, 5, 13, 25, 65, 103, 125, 325, 515, 1009, 1339, 1625, 2575, 5045, 6695, 12875, 13117, 25225, 33475, 65585, 103927, 126125, 167375, 327925, 519635, 1351051, 1639625, 2598175, 6755255, 12990875, 33776275, 168881375]

約数ペア:

[(1, 168881375), (5, 33776275), (13, 12990875), (25, 6755255), (65, 2598175), (103, 1639625), (125, 1351051), (325, 519635), (515, 327925), (1009, 167375), (1339, 126125), (1625, 103927), (2575, 65585), (5045, 33475), (6695, 25225), (12875, 13117)]