31226240

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 75569760

約数和(自身を除く): 44343520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 503, 640, 776, 970, 1006, 1552, 1940, 2012, 2515, 3104, 3880, 4024, 5030, 6208, 7760, 8048, 10060, 12416, 15520, 16096, 20120, 31040, 32192, 40240, 48791, 62080, 64384, 80480, 97582, 160960, 195164, 243955, 321920, 390328, 487910, 780656, 975820, 1561312, 1951640, 3122624, 3903280, 6245248, 7806560, 15613120, 31226240]

約数ペア:

[(1, 31226240), (2, 15613120), (4, 7806560), (5, 6245248), (8, 3903280), (10, 3122624), (16, 1951640), (20, 1561312), (32, 975820), (40, 780656), (64, 487910), (80, 390328), (97, 321920), (128, 243955), (160, 195164), (194, 160960), (320, 97582), (388, 80480), (485, 64384), (503, 62080), (640, 48791), (776, 40240), (970, 32192), (1006, 31040), (1552, 20120), (1940, 16096), (2012, 15520), (2515, 12416), (3104, 10060), (3880, 8048), (4024, 7760), (5030, 6208)]