20173577450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1\times {\mathrm{2089}}^1$

素因数の和:2376

約数の個数: 96

約数和(自身を含む): 41144241600

約数和(自身を除く): 20970664150

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 83, 130, 166, 179, 325, 358, 415, 650, 830, 895, 1079, 1790, 2075, 2089, 2158, 2327, 4150, 4178, 4475, 4654, 5395, 8950, 10445, 10790, 11635, 14857, 20890, 23270, 26975, 27157, 29714, 52225, 53950, 54314, 58175, 74285, 104450, 116350, 135785, 148570, 173387, 193141, 271570, 346774, 371425, 373931, 386282, 678925, 742850, 747862, 866935, 965705, 1357850, 1733870, 1869655, 1931410, 2254031, 3739310, 4334675, 4508062, 4828525, 4861103, 8669350, 9348275, 9657050, 9722206, 11270155, 18696550, 22540310, 24305515, 31036273, 48611030, 56350775, 62072546, 112701550, 121527575, 155181365, 243055150, 310362730, 403471549, 775906825, 806943098, 1551813650, 2017357745, 4034715490, 10086788725, 20173577450]

約数ペア:

[(1, 20173577450), (2, 10086788725), (5, 4034715490), (10, 2017357745), (13, 1551813650), (25, 806943098), (26, 775906825), (50, 403471549), (65, 310362730), (83, 243055150), (130, 155181365), (166, 121527575), (179, 112701550), (325, 62072546), (358, 56350775), (415, 48611030), (650, 31036273), (830, 24305515), (895, 22540310), (1079, 18696550), (1790, 11270155), (2075, 9722206), (2089, 9657050), (2158, 9348275), (2327, 8669350), (4150, 4861103), (4178, 4828525), (4475, 4508062), (4654, 4334675), (5395, 3739310), (8950, 2254031), (10445, 1931410), (10790, 1869655), (11635, 1733870), (14857, 1357850), (20890, 965705), (23270, 866935), (26975, 747862), (27157, 742850), (29714, 678925), (52225, 386282), (53950, 373931), (54314, 371425), (58175, 346774), (74285, 271570), (104450, 193141), (116350, 173387), (135785, 148570)]