8202280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{73}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 19067580

約数和(自身を除く): 10865300

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 73, 106, 146, 212, 265, 292, 365, 424, 530, 584, 730, 1060, 1460, 2120, 2809, 2920, 3869, 5618, 7738, 11236, 14045, 15476, 19345, 22472, 28090, 30952, 38690, 56180, 77380, 112360, 154760, 205057, 410114, 820228, 1025285, 1640456, 2050570, 4101140, 8202280]

約数ペア:

[(1, 8202280), (2, 4101140), (4, 2050570), (5, 1640456), (8, 1025285), (10, 820228), (20, 410114), (40, 205057), (53, 154760), (73, 112360), (106, 77380), (146, 56180), (212, 38690), (265, 30952), (292, 28090), (365, 22472), (424, 19345), (530, 15476), (584, 14045), (730, 11236), (1060, 7738), (1460, 5618), (2120, 3869), (2809, 2920)]