22165720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{7591}}^1$

素因数の和:7675

約数の個数: 32

約数和(自身を含む): 50562720

約数和(自身を除く): 28397000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 7591, 15182, 30364, 37955, 60728, 75910, 151820, 303640, 554143, 1108286, 2216572, 2770715, 4433144, 5541430, 11082860, 22165720]

約数ペア:

[(1, 22165720), (2, 11082860), (4, 5541430), (5, 4433144), (8, 2770715), (10, 2216572), (20, 1108286), (40, 554143), (73, 303640), (146, 151820), (292, 75910), (365, 60728), (584, 37955), (730, 30364), (1460, 15182), (2920, 7591)]