83315240

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 192099600

約数和(自身を除く): 108784360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 109, 194, 197, 218, 388, 394, 436, 485, 545, 776, 788, 872, 970, 985, 1090, 1576, 1940, 1970, 2180, 3880, 3940, 4360, 7880, 10573, 19109, 21146, 21473, 38218, 42292, 42946, 52865, 76436, 84584, 85892, 95545, 105730, 107365, 152872, 171784, 191090, 211460, 214730, 382180, 422920, 429460, 764360, 858920, 2082881, 4165762, 8331524, 10414405, 16663048, 20828810, 41657620, 83315240]

約数ペア:

[(1, 83315240), (2, 41657620), (4, 20828810), (5, 16663048), (8, 10414405), (10, 8331524), (20, 4165762), (40, 2082881), (97, 858920), (109, 764360), (194, 429460), (197, 422920), (218, 382180), (388, 214730), (394, 211460), (436, 191090), (485, 171784), (545, 152872), (776, 107365), (788, 105730), (872, 95545), (970, 85892), (985, 84584), (1090, 76436), (1576, 52865), (1940, 42946), (1970, 42292), (2180, 38218), (3880, 21473), (3940, 21146), (4360, 19109), (7880, 10573)]