777769280

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{25057}}^1$

素因数の和:25171

約数の個数: 56

約数和(自身を含む): 1871231208

約数和(自身を除く): 1093461928

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, 6208, 7760, 15520, 25057, 31040, 50114, 100228, 125285, 200456, 250570, 400912, 501140, 801824, 1002280, 1603648, 2004560, 2430529, 4009120, 4861058, 8018240, 9722116, 12152645, 19444232, 24305290, 38888464, 48610580, 77776928, 97221160, 155553856, 194442320, 388884640, 777769280]

約数ペア:

[(1, 777769280), (2, 388884640), (4, 194442320), (5, 155553856), (8, 97221160), (10, 77776928), (16, 48610580), (20, 38888464), (32, 24305290), (40, 19444232), (64, 12152645), (80, 9722116), (97, 8018240), (160, 4861058), (194, 4009120), (320, 2430529), (388, 2004560), (485, 1603648), (776, 1002280), (970, 801824), (1552, 501140), (1940, 400912), (3104, 250570), (3880, 200456), (6208, 125285), (7760, 100228), (15520, 50114), (25057, 31040)]