31784960

素因数分解:

$2^{16}\times 5^1\times {\mathrm{97}}^1$

素因数の和:134

約数の個数: 68

約数和(自身を含む): 77069748

約数和(自身を除く): 45284788

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, 776, 970, 1024, 1280, 1552, 1940, 2048, 2560, 3104, 3880, 4096, 5120, 6208, 7760, 8192, 10240, 12416, 15520, 16384, 20480, 24832, 31040, 32768, 40960, 49664, 62080, 65536, 81920, 99328, 124160, 163840, 198656, 248320, 327680, 397312, 496640, 794624, 993280, 1589248, 1986560, 3178496, 3973120, 6356992, 7946240, 15892480, 31784960]

約数ペア:

[(1, 31784960), (2, 15892480), (4, 7946240), (5, 6356992), (8, 3973120), (10, 3178496), (16, 1986560), (20, 1589248), (32, 993280), (40, 794624), (64, 496640), (80, 397312), (97, 327680), (128, 248320), (160, 198656), (194, 163840), (256, 124160), (320, 99328), (388, 81920), (485, 65536), (512, 62080), (640, 49664), (776, 40960), (970, 32768), (1024, 31040), (1280, 24832), (1552, 20480), (1940, 16384), (2048, 15520), (2560, 12416), (3104, 10240), (3880, 8192), (4096, 7760), (5120, 6208)]