328279040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:783

約数の個数: 88

約数和(自身を含む): 796807032

約数和(自身を除く): 468527992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 388, 485, 512, 640, 661, 776, 970, 1024, 1280, 1322, 1552, 1940, 2560, 2644, 3104, 3305, 3880, 5120, 5288, 6208, 6610, 7760, 10576, 12416, 13220, 15520, 21152, 24832, 26440, 31040, 42304, 49664, 52880, 62080, 64117, 84608, 99328, 105760, 124160, 128234, 169216, 211520, 248320, 256468, 320585, 338432, 423040, 496640, 512936, 641170, 676864, 846080, 1025872, 1282340, 1692160, 2051744, 2564680, 3384320, 4103488, 5129360, 8206976, 10258720, 16413952, 20517440, 32827904, 41034880, 65655808, 82069760, 164139520, 328279040]

約数ペア:

[(1, 328279040), (2, 164139520), (4, 82069760), (5, 65655808), (8, 41034880), (10, 32827904), (16, 20517440), (20, 16413952), (32, 10258720), (40, 8206976), (64, 5129360), (80, 4103488), (97, 3384320), (128, 2564680), (160, 2051744), (194, 1692160), (256, 1282340), (320, 1025872), (388, 846080), (485, 676864), (512, 641170), (640, 512936), (661, 496640), (776, 423040), (970, 338432), (1024, 320585), (1280, 256468), (1322, 248320), (1552, 211520), (1940, 169216), (2560, 128234), (2644, 124160), (3104, 105760), (3305, 99328), (3880, 84608), (5120, 64117), (5288, 62080), (6208, 52880), (6610, 49664), (7760, 42304), (10576, 31040), (12416, 26440), (13220, 24832), (15520, 21152)]