20800173625

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5527}}^1$

素因数の和:5600

約数の個数: 128

約数和(自身を含む): 35764125696

約数和(自身を除く): 14963952071

約数列:

[1, 5, 7, 11, 17, 23, 25, 35, 55, 77, 85, 115, 119, 125, 161, 175, 187, 253, 275, 385, 391, 425, 575, 595, 805, 875, 935, 1265, 1309, 1375, 1771, 1925, 1955, 2125, 2737, 2875, 2975, 4025, 4301, 4675, 5527, 6325, 6545, 8855, 9625, 9775, 13685, 14875, 20125, 21505, 23375, 27635, 30107, 31625, 32725, 38689, 44275, 48875, 60797, 68425, 93959, 107525, 127121, 138175, 150535, 163625, 193445, 221375, 303985, 342125, 425579, 469795, 537625, 635605, 657713, 690875, 752675, 889847, 967225, 1033549, 1398331, 1519925, 2127895, 2161057, 2348975, 3178025, 3288565, 3763375, 4449235, 4836125, 5167745, 6991655, 7234843, 7599625, 9788317, 10639475, 10805285, 11744875, 15127399, 15890125, 16442825, 22246175, 23771627, 25838725, 34958275, 36174215, 48941585, 53197375, 54026425, 75636995, 82214125, 111230875, 118858135, 129193625, 166401389, 174791375, 180871075, 244707925, 270132125, 378184975, 594290675, 832006945, 904355375, 1223539625, 1890924875, 2971453375, 4160034725, 20800173625]

約数ペア:

[(1, 20800173625), (5, 4160034725), (7, 2971453375), (11, 1890924875), (17, 1223539625), (23, 904355375), (25, 832006945), (35, 594290675), (55, 378184975), (77, 270132125), (85, 244707925), (115, 180871075), (119, 174791375), (125, 166401389), (161, 129193625), (175, 118858135), (187, 111230875), (253, 82214125), (275, 75636995), (385, 54026425), (391, 53197375), (425, 48941585), (575, 36174215), (595, 34958275), (805, 25838725), (875, 23771627), (935, 22246175), (1265, 16442825), (1309, 15890125), (1375, 15127399), (1771, 11744875), (1925, 10805285), (1955, 10639475), (2125, 9788317), (2737, 7599625), (2875, 7234843), (2975, 6991655), (4025, 5167745), (4301, 4836125), (4675, 4449235), (5527, 3763375), (6325, 3288565), (6545, 3178025), (8855, 2348975), (9625, 2161057), (9775, 2127895), (13685, 1519925), (14875, 1398331), (20125, 1033549), (21505, 967225), (23375, 889847), (27635, 752675), (30107, 690875), (31625, 657713), (32725, 635605), (38689, 537625), (44275, 469795), (48875, 425579), (60797, 342125), (68425, 303985), (93959, 221375), (107525, 193445), (127121, 163625), (138175, 150535)]