19964011040

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5425003}}^1$

素因数の和:5425041

約数の個数: 48

約数和(自身を含む): 49215636288

約数和(自身を除く): 29251625248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5425003, 10850006, 21700012, 27125015, 43400024, 54250030, 86800048, 108500060, 124775069, 173600096, 217000120, 249550138, 434000240, 499100276, 623875345, 868000480, 998200552, 1247750690, 1996401104, 2495501380, 3992802208, 4991002760, 9982005520, 19964011040]

約数ペア:

[(1, 19964011040), (2, 9982005520), (4, 4991002760), (5, 3992802208), (8, 2495501380), (10, 1996401104), (16, 1247750690), (20, 998200552), (23, 868000480), (32, 623875345), (40, 499100276), (46, 434000240), (80, 249550138), (92, 217000120), (115, 173600096), (160, 124775069), (184, 108500060), (230, 86800048), (368, 54250030), (460, 43400024), (736, 27125015), (920, 21700012), (1840, 10850006), (3680, 5425003)]