102689420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{125231}}^1$

素因数の和:125281

約数の個数: 24

約数和(自身を含む): 220909248

約数和(自身を除く): 118219828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 125231, 250462, 500924, 626155, 1252310, 2504620, 5134471, 10268942, 20537884, 25672355, 51344710, 102689420]

約数ペア:

[(1, 102689420), (2, 51344710), (4, 25672355), (5, 20537884), (10, 10268942), (20, 5134471), (41, 2504620), (82, 1252310), (164, 626155), (205, 500924), (410, 250462), (820, 125231)]