83157580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1979}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 191600640

約数和(自身を除く): 108443060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 382, 764, 955, 1910, 1979, 2101, 3820, 3958, 4202, 7916, 8404, 9895, 10505, 19790, 21010, 21769, 39580, 42020, 43538, 87076, 108845, 217690, 377989, 435380, 755978, 1511956, 1889945, 3779890, 4157879, 7559780, 8315758, 16631516, 20789395, 41578790, 83157580]

約数ペア:

[(1, 83157580), (2, 41578790), (4, 20789395), (5, 16631516), (10, 8315758), (11, 7559780), (20, 4157879), (22, 3779890), (44, 1889945), (55, 1511956), (110, 755978), (191, 435380), (220, 377989), (382, 217690), (764, 108845), (955, 87076), (1910, 43538), (1979, 42020), (2101, 39580), (3820, 21769), (3958, 21010), (4202, 19790), (7916, 10505), (8404, 9895)]