131538250

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^2\times {\mathrm{313}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 253198296

約数和(自身を除く): 121660046

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 313, 410, 626, 1025, 1565, 1681, 2050, 3130, 3362, 5125, 7825, 8405, 10250, 12833, 15650, 16810, 25666, 39125, 42025, 64165, 78250, 84050, 128330, 210125, 320825, 420250, 526153, 641650, 1052306, 1604125, 2630765, 3208250, 5261530, 13153825, 26307650, 65769125, 131538250]

約数ペア:

[(1, 131538250), (2, 65769125), (5, 26307650), (10, 13153825), (25, 5261530), (41, 3208250), (50, 2630765), (82, 1604125), (125, 1052306), (205, 641650), (250, 526153), (313, 420250), (410, 320825), (626, 210125), (1025, 128330), (1565, 84050), (1681, 78250), (2050, 64165), (3130, 42025), (3362, 39125), (5125, 25666), (7825, 16810), (8405, 15650), (10250, 12833)]