2838996880

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{351361}}^1$

素因数の和:351475

約数の個数: 40

約数和(自身を含む): 6666039864

約数和(自身を除く): 3827042984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 351361, 702722, 1405444, 1756805, 2810888, 3513610, 5621776, 7027220, 14054440, 28108880, 35487461, 70974922, 141949844, 177437305, 283899688, 354874610, 567799376, 709749220, 1419498440, 2838996880]

約数ペア:

[(1, 2838996880), (2, 1419498440), (4, 709749220), (5, 567799376), (8, 354874610), (10, 283899688), (16, 177437305), (20, 141949844), (40, 70974922), (80, 35487461), (101, 28108880), (202, 14054440), (404, 7027220), (505, 5621776), (808, 3513610), (1010, 2810888), (1616, 1756805), (2020, 1405444), (4040, 702722), (8080, 351361)]