4045880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2467}}^1$

素因数の和:2519

約数の個数: 32

約数和(自身を含む): 9329040

約数和(自身を除く): 5283160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2467, 4934, 9868, 12335, 19736, 24670, 49340, 98680, 101147, 202294, 404588, 505735, 809176, 1011470, 2022940, 4045880]

約数ペア:

[(1, 4045880), (2, 2022940), (4, 1011470), (5, 809176), (8, 505735), (10, 404588), (20, 202294), (40, 101147), (41, 98680), (82, 49340), (164, 24670), (205, 19736), (328, 12335), (410, 9868), (820, 4934), (1640, 2467)]