20131938700

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{64381}}^1$

素因数の和:64507

約数の個数: 72

約数和(自身を含む): 45265696560

約数和(自身を除く): 25133757860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 59, 100, 106, 118, 212, 236, 265, 295, 530, 590, 1060, 1180, 1325, 1475, 2650, 2950, 3127, 5300, 5900, 6254, 12508, 15635, 31270, 62540, 64381, 78175, 128762, 156350, 257524, 312700, 321905, 643810, 1287620, 1609525, 3219050, 3412193, 3798479, 6438100, 6824386, 7596958, 13648772, 15193916, 17060965, 18992395, 34121930, 37984790, 68243860, 75969580, 85304825, 94961975, 170609650, 189923950, 201319387, 341219300, 379847900, 402638774, 805277548, 1006596935, 2013193870, 4026387740, 5032984675, 10065969350, 20131938700]

約数ペア:

[(1, 20131938700), (2, 10065969350), (4, 5032984675), (5, 4026387740), (10, 2013193870), (20, 1006596935), (25, 805277548), (50, 402638774), (53, 379847900), (59, 341219300), (100, 201319387), (106, 189923950), (118, 170609650), (212, 94961975), (236, 85304825), (265, 75969580), (295, 68243860), (530, 37984790), (590, 34121930), (1060, 18992395), (1180, 17060965), (1325, 15193916), (1475, 13648772), (2650, 7596958), (2950, 6824386), (3127, 6438100), (5300, 3798479), (5900, 3412193), (6254, 3219050), (12508, 1609525), (15635, 1287620), (31270, 643810), (62540, 321905), (64381, 312700), (78175, 257524), (128762, 156350)]