86458120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4349}}^1$

素因数の和:4438

約数の個数: 64

約数和(自身を含む): 225504000

約数和(自身を除く): 139045880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4349, 4970, 8698, 9940, 17396, 19880, 21745, 30443, 34792, 43490, 60886, 86980, 121772, 152215, 173960, 243544, 304430, 308779, 608860, 617558, 1217720, 1235116, 1543895, 2161453, 2470232, 3087790, 4322906, 6175580, 8645812, 10807265, 12351160, 17291624, 21614530, 43229060, 86458120]

約数ペア:

[(1, 86458120), (2, 43229060), (4, 21614530), (5, 17291624), (7, 12351160), (8, 10807265), (10, 8645812), (14, 6175580), (20, 4322906), (28, 3087790), (35, 2470232), (40, 2161453), (56, 1543895), (70, 1235116), (71, 1217720), (140, 617558), (142, 608860), (280, 308779), (284, 304430), (355, 243544), (497, 173960), (568, 152215), (710, 121772), (994, 86980), (1420, 60886), (1988, 43490), (2485, 34792), (2840, 30443), (3976, 21745), (4349, 19880), (4970, 17396), (8698, 9940)]