61040120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21493}}^1$

素因数の和:21575

約数の個数: 32

約数和(自身を含む): 139281120

約数和(自身を除く): 78241000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 21493, 42986, 85972, 107465, 171944, 214930, 429860, 859720, 1526003, 3052006, 6104012, 7630015, 12208024, 15260030, 30520060, 61040120]

約数ペア:

[(1, 61040120), (2, 30520060), (4, 15260030), (5, 12208024), (8, 7630015), (10, 6104012), (20, 3052006), (40, 1526003), (71, 859720), (142, 429860), (284, 214930), (355, 171944), (568, 107465), (710, 85972), (1420, 42986), (2840, 21493)]