1951640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 4445280

約数和(自身を除く): 2493640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 503, 776, 970, 1006, 1940, 2012, 2515, 3880, 4024, 5030, 10060, 20120, 48791, 97582, 195164, 243955, 390328, 487910, 975820, 1951640]

約数ペア:

[(1, 1951640), (2, 975820), (4, 487910), (5, 390328), (8, 243955), (10, 195164), (20, 97582), (40, 48791), (97, 20120), (194, 10060), (388, 5030), (485, 4024), (503, 3880), (776, 2515), (970, 2012), (1006, 1940)]