85108240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{401}}^1$

素因数の和:800

約数の個数: 80

約数和(自身を含む): 227306880

約数和(自身を除く): 142198640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 379, 401, 560, 758, 802, 1516, 1604, 1895, 2005, 2653, 2807, 3032, 3208, 3790, 4010, 5306, 5614, 6064, 6416, 7580, 8020, 10612, 11228, 13265, 14035, 15160, 16040, 21224, 22456, 26530, 28070, 30320, 32080, 42448, 44912, 53060, 56140, 106120, 112280, 151979, 212240, 224560, 303958, 607916, 759895, 1063853, 1215832, 1519790, 2127706, 2431664, 3039580, 4255412, 5319265, 6079160, 8510824, 10638530, 12158320, 17021648, 21277060, 42554120, 85108240]

約数ペア:

[(1, 85108240), (2, 42554120), (4, 21277060), (5, 17021648), (7, 12158320), (8, 10638530), (10, 8510824), (14, 6079160), (16, 5319265), (20, 4255412), (28, 3039580), (35, 2431664), (40, 2127706), (56, 1519790), (70, 1215832), (80, 1063853), (112, 759895), (140, 607916), (280, 303958), (379, 224560), (401, 212240), (560, 151979), (758, 112280), (802, 106120), (1516, 56140), (1604, 53060), (1895, 44912), (2005, 42448), (2653, 32080), (2807, 30320), (3032, 28070), (3208, 26530), (3790, 22456), (4010, 21224), (5306, 16040), (5614, 15160), (6064, 14035), (6416, 13265), (7580, 11228), (8020, 10612)]