12001520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3659}}^1$

素因数の和:3713

約数の個数: 40

約数和(自身を含む): 28591920

約数和(自身を除く): 16590400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3659, 7318, 14636, 18295, 29272, 36590, 58544, 73180, 146360, 150019, 292720, 300038, 600076, 750095, 1200152, 1500190, 2400304, 3000380, 6000760, 12001520]

約数ペア:

[(1, 12001520), (2, 6000760), (4, 3000380), (5, 2400304), (8, 1500190), (10, 1200152), (16, 750095), (20, 600076), (40, 300038), (41, 292720), (80, 150019), (82, 146360), (164, 73180), (205, 58544), (328, 36590), (410, 29272), (656, 18295), (820, 14636), (1640, 7318), (3280, 3659)]