7899140

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{811}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 16642752

約数和(自身を除く): 8743612

約数列:

[1, 2, 4, 5, 10, 20, 487, 811, 974, 1622, 1948, 2435, 3244, 4055, 4870, 8110, 9740, 16220, 394957, 789914, 1579828, 1974785, 3949570, 7899140]

約数ペア:

[(1, 7899140), (2, 3949570), (4, 1974785), (5, 1579828), (10, 789914), (20, 394957), (487, 16220), (811, 9740), (974, 8110), (1622, 4870), (1948, 4055), (2435, 3244)]