25539584

素因数分解:

$2^{10}\times 7^2\times {\mathrm{509}}^1$

素因数の和:543

約数の個数: 66

約数和(自身を含む): 59506290

約数和(自身を除く): 33966706

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 509, 512, 784, 896, 1018, 1024, 1568, 1792, 2036, 3136, 3563, 3584, 4072, 6272, 7126, 7168, 8144, 12544, 14252, 16288, 24941, 25088, 28504, 32576, 49882, 50176, 57008, 65152, 99764, 114016, 130304, 199528, 228032, 260608, 399056, 456064, 521216, 798112, 912128, 1596224, 1824256, 3192448, 3648512, 6384896, 12769792, 25539584]

約数ペア:

[(1, 25539584), (2, 12769792), (4, 6384896), (7, 3648512), (8, 3192448), (14, 1824256), (16, 1596224), (28, 912128), (32, 798112), (49, 521216), (56, 456064), (64, 399056), (98, 260608), (112, 228032), (128, 199528), (196, 130304), (224, 114016), (256, 99764), (392, 65152), (448, 57008), (509, 50176), (512, 49882), (784, 32576), (896, 28504), (1018, 25088), (1024, 24941), (1568, 16288), (1792, 14252), (2036, 12544), (3136, 8144), (3563, 7168), (3584, 7126), (4072, 6272)]