266495560

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{21017}}^1$

素因数の和:21345

約数の個数: 32

約数和(自身を含む): 601535160

約数和(自身を除く): 335039600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 21017, 42034, 84068, 105085, 168136, 210170, 420340, 840680, 6662389, 13324778, 26649556, 33311945, 53299112, 66623890, 133247780, 266495560]

約数ペア:

[(1, 266495560), (2, 133247780), (4, 66623890), (5, 53299112), (8, 33311945), (10, 26649556), (20, 13324778), (40, 6662389), (317, 840680), (634, 420340), (1268, 210170), (1585, 168136), (2536, 105085), (3170, 84068), (6340, 42034), (12680, 21017)]