80333960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2539}}^1$

素因数の和:2670

約数の個数: 64

約数和(自身を含む): 208483200

約数和(自身を除く): 128149240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 904, 1130, 1582, 2260, 2539, 3164, 3955, 4520, 5078, 6328, 7910, 10156, 12695, 15820, 17773, 20312, 25390, 31640, 35546, 50780, 71092, 88865, 101560, 142184, 177730, 286907, 355460, 573814, 710920, 1147628, 1434535, 2008349, 2295256, 2869070, 4016698, 5738140, 8033396, 10041745, 11476280, 16066792, 20083490, 40166980, 80333960]

約数ペア:

[(1, 80333960), (2, 40166980), (4, 20083490), (5, 16066792), (7, 11476280), (8, 10041745), (10, 8033396), (14, 5738140), (20, 4016698), (28, 2869070), (35, 2295256), (40, 2008349), (56, 1434535), (70, 1147628), (113, 710920), (140, 573814), (226, 355460), (280, 286907), (452, 177730), (565, 142184), (791, 101560), (904, 88865), (1130, 71092), (1582, 50780), (2260, 35546), (2539, 31640), (3164, 25390), (3955, 20312), (4520, 17773), (5078, 15820), (6328, 12695), (7910, 10156)]