20182840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 27509960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 127, 137, 145, 232, 254, 274, 290, 508, 548, 580, 635, 685, 1016, 1096, 1160, 1270, 1370, 2540, 2740, 3683, 3973, 5080, 5480, 7366, 7946, 14732, 15892, 17399, 18415, 19865, 29464, 31784, 34798, 36830, 39730, 69596, 73660, 79460, 86995, 139192, 147320, 158920, 173990, 347980, 504571, 695960, 1009142, 2018284, 2522855, 4036568, 5045710, 10091420, 20182840]

約数ペア:

[(1, 20182840), (2, 10091420), (4, 5045710), (5, 4036568), (8, 2522855), (10, 2018284), (20, 1009142), (29, 695960), (40, 504571), (58, 347980), (116, 173990), (127, 158920), (137, 147320), (145, 139192), (232, 86995), (254, 79460), (274, 73660), (290, 69596), (508, 39730), (548, 36830), (580, 34798), (635, 31784), (685, 29464), (1016, 19865), (1096, 18415), (1160, 17399), (1270, 15892), (1370, 14732), (2540, 7946), (2740, 7366), (3683, 5480), (3973, 5080)]