12769640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1889}}^1$

素因数の和:1926

約数の個数: 48

約数和(自身を含む): 31128300

約数和(自身を除く): 18358660

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 1889, 3380, 3778, 6760, 7556, 9445, 15112, 18890, 24557, 37780, 49114, 75560, 98228, 122785, 196456, 245570, 319241, 491140, 638482, 982280, 1276964, 1596205, 2553928, 3192410, 6384820, 12769640]

約数ペア:

[(1, 12769640), (2, 6384820), (4, 3192410), (5, 2553928), (8, 1596205), (10, 1276964), (13, 982280), (20, 638482), (26, 491140), (40, 319241), (52, 245570), (65, 196456), (104, 122785), (130, 98228), (169, 75560), (260, 49114), (338, 37780), (520, 24557), (676, 18890), (845, 15112), (1352, 9445), (1690, 7556), (1889, 6760), (3380, 3778)]