12663880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{877}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 30106620

約数和(自身を除く): 17442740

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 877, 1444, 1754, 1805, 2888, 3508, 3610, 4385, 7016, 7220, 8770, 14440, 16663, 17540, 33326, 35080, 66652, 83315, 133304, 166630, 316597, 333260, 633194, 666520, 1266388, 1582985, 2532776, 3165970, 6331940, 12663880]

約数ペア:

[(1, 12663880), (2, 6331940), (4, 3165970), (5, 2532776), (8, 1582985), (10, 1266388), (19, 666520), (20, 633194), (38, 333260), (40, 316597), (76, 166630), (95, 133304), (152, 83315), (190, 66652), (361, 35080), (380, 33326), (722, 17540), (760, 16663), (877, 14440), (1444, 8770), (1754, 7220), (1805, 7016), (2888, 4385), (3508, 3610)]