55646020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{859}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 121363200

約数和(自身を除く): 65717180

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 859, 1580, 1718, 3239, 3436, 4295, 6478, 8590, 12956, 16195, 17180, 32390, 35219, 64780, 67861, 70438, 135722, 140876, 176095, 271444, 339305, 352190, 678610, 704380, 1357220, 2782301, 5564602, 11129204, 13911505, 27823010, 55646020]

約数ペア:

[(1, 55646020), (2, 27823010), (4, 13911505), (5, 11129204), (10, 5564602), (20, 2782301), (41, 1357220), (79, 704380), (82, 678610), (158, 352190), (164, 339305), (205, 271444), (316, 176095), (395, 140876), (410, 135722), (790, 70438), (820, 67861), (859, 64780), (1580, 35219), (1718, 32390), (3239, 17180), (3436, 16195), (4295, 12956), (6478, 8590)]