80708368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6361}}^1$

素因数の和:6443

約数の個数: 40

約数和(自身を含む): 171188696

約数和(自身を除く): 90480328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 6361, 12688, 12722, 25444, 50888, 82693, 101776, 165386, 330772, 388021, 661544, 776042, 1323088, 1552084, 3104168, 5044273, 6208336, 10088546, 20177092, 40354184, 80708368]

約数ペア:

[(1, 80708368), (2, 40354184), (4, 20177092), (8, 10088546), (13, 6208336), (16, 5044273), (26, 3104168), (52, 1552084), (61, 1323088), (104, 776042), (122, 661544), (208, 388021), (244, 330772), (488, 165386), (793, 101776), (976, 82693), (1586, 50888), (3172, 25444), (6344, 12722), (6361, 12688)]