25447400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 66290400

約数和(自身を除く): 40843000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 43, 44, 50, 55, 86, 88, 100, 110, 172, 200, 215, 220, 269, 275, 344, 430, 440, 473, 538, 550, 860, 946, 1075, 1076, 1100, 1345, 1720, 1892, 2150, 2152, 2200, 2365, 2690, 2959, 3784, 4300, 4730, 5380, 5918, 6725, 8600, 9460, 10760, 11567, 11825, 11836, 13450, 14795, 18920, 23134, 23650, 23672, 26900, 29590, 46268, 47300, 53800, 57835, 59180, 73975, 92536, 94600, 115670, 118360, 127237, 147950, 231340, 254474, 289175, 295900, 462680, 508948, 578350, 591800, 636185, 1017896, 1156700, 1272370, 2313400, 2544740, 3180925, 5089480, 6361850, 12723700, 25447400]

約数ペア:

[(1, 25447400), (2, 12723700), (4, 6361850), (5, 5089480), (8, 3180925), (10, 2544740), (11, 2313400), (20, 1272370), (22, 1156700), (25, 1017896), (40, 636185), (43, 591800), (44, 578350), (50, 508948), (55, 462680), (86, 295900), (88, 289175), (100, 254474), (110, 231340), (172, 147950), (200, 127237), (215, 118360), (220, 115670), (269, 94600), (275, 92536), (344, 73975), (430, 59180), (440, 57835), (473, 53800), (538, 47300), (550, 46268), (860, 29590), (946, 26900), (1075, 23672), (1076, 23650), (1100, 23134), (1345, 18920), (1720, 14795), (1892, 13450), (2150, 11836), (2152, 11825), (2200, 11567), (2365, 10760), (2690, 9460), (2959, 8600), (3784, 6725), (4300, 5918), (4730, 5380)]