80203480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2953}}^1$

素因数の和:3068

約数の個数: 64

約数和(自身を含む): 208434240

約数和(自身を除く): 128230760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2716, 2953, 3395, 3880, 5432, 5906, 6790, 11812, 13580, 14765, 20671, 23624, 27160, 29530, 41342, 59060, 82684, 103355, 118120, 165368, 206710, 286441, 413420, 572882, 826840, 1145764, 1432205, 2005087, 2291528, 2864410, 4010174, 5728820, 8020348, 10025435, 11457640, 16040696, 20050870, 40101740, 80203480]

約数ペア:

[(1, 80203480), (2, 40101740), (4, 20050870), (5, 16040696), (7, 11457640), (8, 10025435), (10, 8020348), (14, 5728820), (20, 4010174), (28, 2864410), (35, 2291528), (40, 2005087), (56, 1432205), (70, 1145764), (97, 826840), (140, 572882), (194, 413420), (280, 286441), (388, 206710), (485, 165368), (679, 118120), (776, 103355), (970, 82684), (1358, 59060), (1940, 41342), (2716, 29530), (2953, 27160), (3395, 23624), (3880, 20671), (5432, 14765), (5906, 13580), (6790, 11812)]