81697625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{839}}^1$

素因数の和:914

約数の個数: 32

約数和(自身を含む): 110073600

約数和(自身を除く): 28375975

約数列:

[1, 5, 19, 25, 41, 95, 125, 205, 475, 779, 839, 1025, 2375, 3895, 4195, 5125, 15941, 19475, 20975, 34399, 79705, 97375, 104875, 171995, 398525, 653581, 859975, 1992625, 3267905, 4299875, 16339525, 81697625]

約数ペア:

[(1, 81697625), (5, 16339525), (19, 4299875), (25, 3267905), (41, 1992625), (95, 859975), (125, 653581), (205, 398525), (475, 171995), (779, 104875), (839, 97375), (1025, 79705), (2375, 34399), (3895, 20975), (4195, 19475), (5125, 15941)]