1995880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 4604040

約数和(自身を除く): 2608160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1217, 1640, 2434, 4868, 6085, 9736, 12170, 24340, 48680, 49897, 99794, 199588, 249485, 399176, 498970, 997940, 1995880]

約数ペア:

[(1, 1995880), (2, 997940), (4, 498970), (5, 399176), (8, 249485), (10, 199588), (20, 99794), (40, 49897), (41, 48680), (82, 24340), (164, 12170), (205, 9736), (328, 6085), (410, 4868), (820, 2434), (1217, 1640)]