22105780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{823}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 49835520

約数和(自身を除く): 27729740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 823, 1343, 1580, 1646, 2686, 3292, 4115, 5372, 6715, 8230, 13430, 13991, 16460, 26860, 27982, 55964, 65017, 69955, 130034, 139910, 260068, 279820, 325085, 650170, 1105289, 1300340, 2210578, 4421156, 5526445, 11052890, 22105780]

約数ペア:

[(1, 22105780), (2, 11052890), (4, 5526445), (5, 4421156), (10, 2210578), (17, 1300340), (20, 1105289), (34, 650170), (68, 325085), (79, 279820), (85, 260068), (158, 139910), (170, 130034), (316, 69955), (340, 65017), (395, 55964), (790, 27982), (823, 26860), (1343, 16460), (1580, 13991), (1646, 13430), (2686, 8230), (3292, 6715), (4115, 5372)]