12547491025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{103123}}^1$

素因数の和:103321

約数の個数: 24

約数和(自身を含む): 16163243264

約数和(自身を除く): 3615752239

約数列:

[1, 5, 25, 31, 155, 157, 775, 785, 3925, 4867, 24335, 103123, 121675, 515615, 2578075, 3196813, 15984065, 16190311, 79920325, 80951555, 404757775, 501899641, 2509498205, 12547491025]

約数ペア:

[(1, 12547491025), (5, 2509498205), (25, 501899641), (31, 404757775), (155, 80951555), (157, 79920325), (775, 16190311), (785, 15984065), (3925, 3196813), (4867, 2578075), (24335, 515615), (103123, 121675)]