5216840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3181}}^1$

素因数の和:3233

約数の個数: 32

約数和(自身を含む): 12027960

約数和(自身を除く): 6811120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 3181, 6362, 12724, 15905, 25448, 31810, 63620, 127240, 130421, 260842, 521684, 652105, 1043368, 1304210, 2608420, 5216840]

約数ペア:

[(1, 5216840), (2, 2608420), (4, 1304210), (5, 1043368), (8, 652105), (10, 521684), (20, 260842), (40, 130421), (41, 127240), (82, 63620), (164, 31810), (205, 25448), (328, 15905), (410, 12724), (820, 6362), (1640, 3181)]