86989360

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4231}}^1$

素因数の和:4501

約数の個数: 40

約数和(自身を含む): 203085216

約数和(自身を除く): 116095856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 4231, 5140, 8462, 10280, 16924, 20560, 21155, 33848, 42310, 67696, 84620, 169240, 338480, 1087367, 2174734, 4349468, 5436835, 8698936, 10873670, 17397872, 21747340, 43494680, 86989360]

約数ペア:

[(1, 86989360), (2, 43494680), (4, 21747340), (5, 17397872), (8, 10873670), (10, 8698936), (16, 5436835), (20, 4349468), (40, 2174734), (80, 1087367), (257, 338480), (514, 169240), (1028, 84620), (1285, 67696), (2056, 42310), (2570, 33848), (4112, 21155), (4231, 20560), (5140, 16924), (8462, 10280)]