2989480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5749}}^1$

素因数の和:5773

約数の個数: 32

約数和(自身を含む): 7245000

約数和(自身を除く): 4255520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5749, 11498, 22996, 28745, 45992, 57490, 74737, 114980, 149474, 229960, 298948, 373685, 597896, 747370, 1494740, 2989480]

約数ペア:

[(1, 2989480), (2, 1494740), (4, 747370), (5, 597896), (8, 373685), (10, 298948), (13, 229960), (20, 149474), (26, 114980), (40, 74737), (52, 57490), (65, 45992), (104, 28745), (130, 22996), (260, 11498), (520, 5749)]