8145880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4967}}^1$

素因数の和:5019

約数の個数: 32

約数和(自身を含む): 18779040

約数和(自身を除く): 10633160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4967, 9934, 19868, 24835, 39736, 49670, 99340, 198680, 203647, 407294, 814588, 1018235, 1629176, 2036470, 4072940, 8145880]

約数ペア:

[(1, 8145880), (2, 4072940), (4, 2036470), (5, 1629176), (8, 1018235), (10, 814588), (20, 407294), (40, 203647), (41, 198680), (82, 99340), (164, 49670), (205, 39736), (328, 24835), (410, 19868), (820, 9934), (1640, 4967)]