2912663120

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{334021}}^1$

素因数の和:334143

約数の個数: 40

約数和(自身を含む): 6834090120

約数和(自身を除く): 3921427000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 334021, 668042, 1336084, 1670105, 2672168, 3340210, 5344336, 6680420, 13360840, 26721680, 36408289, 72816578, 145633156, 182041445, 291266312, 364082890, 582532624, 728165780, 1456331560, 2912663120]

約数ペア:

[(1, 2912663120), (2, 1456331560), (4, 728165780), (5, 582532624), (8, 364082890), (10, 291266312), (16, 182041445), (20, 145633156), (40, 72816578), (80, 36408289), (109, 26721680), (218, 13360840), (436, 6680420), (545, 5344336), (872, 3340210), (1090, 2672168), (1744, 1670105), (2180, 1336084), (4360, 668042), (8720, 334021)]