2080677775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{128239}}^1$

素因数の和:128319

約数の個数: 24

約数和(自身を含む): 2862316800

約数和(自身を除く): 781639025

約数列:

[1, 5, 11, 25, 55, 59, 275, 295, 649, 1475, 3245, 16225, 128239, 641195, 1410629, 3205975, 7053145, 7566101, 35265725, 37830505, 83227111, 189152525, 416135555, 2080677775]

約数ペア:

[(1, 2080677775), (5, 416135555), (11, 189152525), (25, 83227111), (55, 37830505), (59, 35265725), (275, 7566101), (295, 7053145), (649, 3205975), (1475, 1410629), (3245, 641195), (16225, 128239)]