128288320

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4133}}^1$

素因数の和:4247

約数の個数: 56

約数和(自身を含む): 308710584

約数和(自身を除く): 180422264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 4133, 6208, 7760, 8266, 15520, 16532, 20665, 31040, 33064, 41330, 66128, 82660, 132256, 165320, 264512, 330640, 400901, 661280, 801802, 1322560, 1603604, 2004505, 3207208, 4009010, 6414416, 8018020, 12828832, 16036040, 25657664, 32072080, 64144160, 128288320]

約数ペア:

[(1, 128288320), (2, 64144160), (4, 32072080), (5, 25657664), (8, 16036040), (10, 12828832), (16, 8018020), (20, 6414416), (32, 4009010), (40, 3207208), (64, 2004505), (80, 1603604), (97, 1322560), (160, 801802), (194, 661280), (320, 400901), (388, 330640), (485, 264512), (776, 165320), (970, 132256), (1552, 82660), (1940, 66128), (3104, 41330), (3880, 33064), (4133, 31040), (6208, 20665), (7760, 16532), (8266, 15520)]