20181805240

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1307}}^1\times {\mathrm{4651}}^1$

素因数の和:6052

約数の個数: 64

約数和(自身を含む): 46001208960

約数和(自身を除く): 25819403720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1307, 1660, 2614, 3320, 4651, 5228, 6535, 9302, 10456, 13070, 18604, 23255, 26140, 37208, 46510, 52280, 93020, 108481, 186040, 216962, 386033, 433924, 542405, 772066, 867848, 1084810, 1544132, 1930165, 2169620, 3088264, 3860330, 4339240, 6078857, 7720660, 12157714, 15441320, 24315428, 30394285, 48630856, 60788570, 121577140, 243154280, 504545131, 1009090262, 2018180524, 2522725655, 4036361048, 5045451310, 10090902620, 20181805240]

約数ペア:

[(1, 20181805240), (2, 10090902620), (4, 5045451310), (5, 4036361048), (8, 2522725655), (10, 2018180524), (20, 1009090262), (40, 504545131), (83, 243154280), (166, 121577140), (332, 60788570), (415, 48630856), (664, 30394285), (830, 24315428), (1307, 15441320), (1660, 12157714), (2614, 7720660), (3320, 6078857), (4651, 4339240), (5228, 3860330), (6535, 3088264), (9302, 2169620), (10456, 1930165), (13070, 1544132), (18604, 1084810), (23255, 867848), (26140, 772066), (37208, 542405), (46510, 433924), (52280, 386033), (93020, 216962), (108481, 186040)]