72065905

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{839}}^1$

素因数の和:1304

約数の個数: 16

約数和(自身を含む): 88905600

約数和(自身を除く): 16839695

約数列:

[1, 5, 41, 205, 419, 839, 2095, 4195, 17179, 34399, 85895, 171995, 351541, 1757705, 14413181, 72065905]

約数ペア:

[(1, 72065905), (5, 14413181), (41, 1757705), (205, 351541), (419, 171995), (839, 85895), (2095, 34399), (4195, 17179)]