20525254880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{186187}}^1$

素因数の和:186268

約数の個数: 96

約数和(自身を含む): 53206572384

約数和(自身を除く): 32681317504

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 65, 80, 104, 106, 130, 160, 208, 212, 260, 265, 416, 424, 520, 530, 689, 848, 1040, 1060, 1378, 1696, 2080, 2120, 2756, 3445, 4240, 5512, 6890, 8480, 11024, 13780, 22048, 27560, 55120, 110240, 186187, 372374, 744748, 930935, 1489496, 1861870, 2420431, 2978992, 3723740, 4840862, 5957984, 7447480, 9681724, 9867911, 12102155, 14894960, 19363448, 19735822, 24204310, 29789920, 38726896, 39471644, 48408620, 49339555, 77453792, 78943288, 96817240, 98679110, 128282843, 157886576, 193634480, 197358220, 256565686, 315773152, 387268960, 394716440, 513131372, 641414215, 789432880, 1026262744, 1282828430, 1578865760, 2052525488, 2565656860, 4105050976, 5131313720, 10262627440, 20525254880]

約数ペア:

[(1, 20525254880), (2, 10262627440), (4, 5131313720), (5, 4105050976), (8, 2565656860), (10, 2052525488), (13, 1578865760), (16, 1282828430), (20, 1026262744), (26, 789432880), (32, 641414215), (40, 513131372), (52, 394716440), (53, 387268960), (65, 315773152), (80, 256565686), (104, 197358220), (106, 193634480), (130, 157886576), (160, 128282843), (208, 98679110), (212, 96817240), (260, 78943288), (265, 77453792), (416, 49339555), (424, 48408620), (520, 39471644), (530, 38726896), (689, 29789920), (848, 24204310), (1040, 19735822), (1060, 19363448), (1378, 14894960), (1696, 12102155), (2080, 9867911), (2120, 9681724), (2756, 7447480), (3445, 5957984), (4240, 4840862), (5512, 3723740), (6890, 2978992), (8480, 2420431), (11024, 1861870), (13780, 1489496), (22048, 930935), (27560, 744748), (55120, 372374), (110240, 186187)]