3353800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 8007300

約数和(自身を除く): 4653500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 409, 410, 818, 820, 1025, 1636, 1640, 2045, 2050, 3272, 4090, 4100, 8180, 8200, 10225, 16360, 16769, 20450, 33538, 40900, 67076, 81800, 83845, 134152, 167690, 335380, 419225, 670760, 838450, 1676900, 3353800]

約数ペア:

[(1, 3353800), (2, 1676900), (4, 838450), (5, 670760), (8, 419225), (10, 335380), (20, 167690), (25, 134152), (40, 83845), (41, 81800), (50, 67076), (82, 40900), (100, 33538), (164, 20450), (200, 16769), (205, 16360), (328, 10225), (409, 8200), (410, 8180), (818, 4100), (820, 4090), (1025, 3272), (1636, 2050), (1640, 2045)]