201628797925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1009}}^1\times {\mathrm{20443}}^1$

素因数の和:21502

約数の個数: 48

約数和(自身を含む): 276523908480

約数和(自身を除く): 74895110555

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1009, 1955, 5045, 9775, 17153, 20443, 23207, 25225, 85765, 102215, 116035, 347531, 394519, 428825, 470189, 511075, 580175, 1737655, 1972595, 2350945, 7993213, 8688275, 9862975, 11754725, 20626987, 39966065, 103134935, 199830325, 350658779, 474420701, 515674675, 1753293895, 2372103505, 8065151917, 8766469475, 11860517525, 40325759585, 201628797925]

約数ペア:

[(1, 201628797925), (5, 40325759585), (17, 11860517525), (23, 8766469475), (25, 8065151917), (85, 2372103505), (115, 1753293895), (391, 515674675), (425, 474420701), (575, 350658779), (1009, 199830325), (1955, 103134935), (5045, 39966065), (9775, 20626987), (17153, 11754725), (20443, 9862975), (23207, 8688275), (25225, 7993213), (85765, 2350945), (102215, 1972595), (116035, 1737655), (347531, 580175), (394519, 511075), (428825, 470189)]