2760680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5309}}^1$

素因数の和:5333

約数の個数: 32

約数和(自身を含む): 6690600

約数和(自身を除く): 3929920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5309, 10618, 21236, 26545, 42472, 53090, 69017, 106180, 138034, 212360, 276068, 345085, 552136, 690170, 1380340, 2760680]

約数ペア:

[(1, 2760680), (2, 1380340), (4, 690170), (5, 552136), (8, 345085), (10, 276068), (13, 212360), (20, 138034), (26, 106180), (40, 69017), (52, 53090), (65, 42472), (104, 26545), (130, 21236), (260, 10618), (520, 5309)]