51169640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{761}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 118163340

約数和(自身を除く): 66993700

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 761, 820, 1522, 1640, 1681, 3044, 3362, 3805, 6088, 6724, 7610, 8405, 13448, 15220, 16810, 30440, 31201, 33620, 62402, 67240, 124804, 156005, 249608, 312010, 624020, 1248040, 1279241, 2558482, 5116964, 6396205, 10233928, 12792410, 25584820, 51169640]

約数ペア:

[(1, 51169640), (2, 25584820), (4, 12792410), (5, 10233928), (8, 6396205), (10, 5116964), (20, 2558482), (40, 1279241), (41, 1248040), (82, 624020), (164, 312010), (205, 249608), (328, 156005), (410, 124804), (761, 67240), (820, 62402), (1522, 33620), (1640, 31201), (1681, 30440), (3044, 16810), (3362, 15220), (3805, 13448), (6088, 8405), (6724, 7610)]