9996620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 21930048

約数和(自身を除く): 11933428

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 167, 205, 292, 334, 365, 410, 668, 730, 820, 835, 1460, 1670, 2993, 3340, 5986, 6847, 11972, 12191, 13694, 14965, 24382, 27388, 29930, 34235, 48764, 59860, 60955, 68470, 121910, 136940, 243820, 499831, 999662, 1999324, 2499155, 4998310, 9996620]

約数ペア:

[(1, 9996620), (2, 4998310), (4, 2499155), (5, 1999324), (10, 999662), (20, 499831), (41, 243820), (73, 136940), (82, 121910), (146, 68470), (164, 60955), (167, 59860), (205, 48764), (292, 34235), (334, 29930), (365, 27388), (410, 24382), (668, 14965), (730, 13694), (820, 12191), (835, 11972), (1460, 6847), (1670, 5986), (2993, 3340)]