9970375

素因数分解:

$5^3\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:160

約数の個数: 24

約数和(自身を含む): 13012272

約数和(自身を除く): 3041897

約数列:

[1, 5, 25, 31, 83, 125, 155, 415, 775, 961, 2075, 2573, 3875, 4805, 10375, 12865, 24025, 64325, 79763, 120125, 321625, 398815, 1994075, 9970375]

約数ペア:

[(1, 9970375), (5, 1994075), (25, 398815), (31, 321625), (83, 120125), (125, 79763), (155, 64325), (415, 24025), (775, 12865), (961, 10375), (2075, 4805), (2573, 3875)]