40494592

素因数分解:

$2^9\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:726

約数の個数: 40

約数和(自身を含む): 81635400

約数和(自身を除く): 41140808

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 512, 556, 569, 1112, 1138, 2224, 2276, 4448, 4552, 8896, 9104, 17792, 18208, 35584, 36416, 71168, 72832, 79091, 145664, 158182, 291328, 316364, 632728, 1265456, 2530912, 5061824, 10123648, 20247296, 40494592]

約数ペア:

[(1, 40494592), (2, 20247296), (4, 10123648), (8, 5061824), (16, 2530912), (32, 1265456), (64, 632728), (128, 316364), (139, 291328), (256, 158182), (278, 145664), (512, 79091), (556, 72832), (569, 71168), (1112, 36416), (1138, 35584), (2224, 18208), (2276, 17792), (4448, 9104), (4552, 8896)]