30520060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21493}}^1$

素因数の和:21573

約数の個数: 24

約数和(自身を含む): 64997856

約数和(自身を除く): 34477796

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21493, 42986, 85972, 107465, 214930, 429860, 1526003, 3052006, 6104012, 7630015, 15260030, 30520060]

約数ペア:

[(1, 30520060), (2, 15260030), (4, 7630015), (5, 6104012), (10, 3052006), (20, 1526003), (71, 429860), (142, 214930), (284, 107465), (355, 85972), (710, 42986), (1420, 21493)]