51988005875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{2789}}^1\times {\mathrm{11471}}^1$

素因数の和:14288

約数の個数: 32

約数和(自身を含む): 69903025920

約数和(自身を除く): 17915020045

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 2789, 11471, 13945, 36257, 57355, 69725, 149123, 181285, 286775, 348625, 745615, 906425, 1433875, 3728075, 4532125, 18640375, 31992619, 159963095, 415904047, 799815475, 2079520235, 3999077375, 10397601175, 51988005875]

約数ペア:

[(1, 51988005875), (5, 10397601175), (13, 3999077375), (25, 2079520235), (65, 799815475), (125, 415904047), (325, 159963095), (1625, 31992619), (2789, 18640375), (11471, 4532125), (13945, 3728075), (36257, 1433875), (57355, 906425), (69725, 745615), (149123, 348625), (181285, 286775)]