40021812

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 104269256

約数和(自身を除く): 64247444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 97, 146, 157, 194, 219, 291, 292, 314, 388, 438, 471, 582, 628, 657, 873, 876, 942, 1164, 1314, 1413, 1746, 1884, 2628, 2826, 3492, 5652, 7081, 11461, 14162, 15229, 21243, 22922, 28324, 30458, 34383, 42486, 45687, 45844, 60916, 63729, 68766, 84972, 91374, 103149, 127458, 137061, 137532, 182748, 206298, 254916, 274122, 412596, 548244, 1111717, 2223434, 3335151, 4446868, 6670302, 10005453, 13340604, 20010906, 40021812]

約数ペア:

[(1, 40021812), (2, 20010906), (3, 13340604), (4, 10005453), (6, 6670302), (9, 4446868), (12, 3335151), (18, 2223434), (36, 1111717), (73, 548244), (97, 412596), (146, 274122), (157, 254916), (194, 206298), (219, 182748), (291, 137532), (292, 137061), (314, 127458), (388, 103149), (438, 91374), (471, 84972), (582, 68766), (628, 63729), (657, 60916), (873, 45844), (876, 45687), (942, 42486), (1164, 34383), (1314, 30458), (1413, 28324), (1746, 22922), (1884, 21243), (2628, 15229), (2826, 14162), (3492, 11461), (5652, 7081)]