22139720

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2417}}^1$

素因数の和:2657

約数の個数: 32

約数和(自身を含む): 50052600

約数和(自身を除く): 27912880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 2417, 4580, 4834, 9160, 9668, 12085, 19336, 24170, 48340, 96680, 553493, 1106986, 2213972, 2767465, 4427944, 5534930, 11069860, 22139720]

約数ペア:

[(1, 22139720), (2, 11069860), (4, 5534930), (5, 4427944), (8, 2767465), (10, 2213972), (20, 1106986), (40, 553493), (229, 96680), (458, 48340), (916, 24170), (1145, 19336), (1832, 12085), (2290, 9668), (2417, 9160), (4580, 4834)]