39901904

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4003}}^1$

素因数の和:4107

約数の個数: 40

約数和(自身を含む): 89369280

約数和(自身を除く): 49467376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4003, 4984, 8006, 9968, 16012, 28021, 32024, 56042, 64048, 112084, 224168, 356267, 448336, 712534, 1425068, 2493869, 2850136, 4987738, 5700272, 9975476, 19950952, 39901904]

約数ペア:

[(1, 39901904), (2, 19950952), (4, 9975476), (7, 5700272), (8, 4987738), (14, 2850136), (16, 2493869), (28, 1425068), (56, 712534), (89, 448336), (112, 356267), (178, 224168), (356, 112084), (623, 64048), (712, 56042), (1246, 32024), (1424, 28021), (2492, 16012), (4003, 9968), (4984, 8006)]