13698920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8353}}^1$

素因数の和:8405

約数の個数: 32

約数和(自身を含む): 31578120

約数和(自身を除く): 17879200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 8353, 16706, 33412, 41765, 66824, 83530, 167060, 334120, 342473, 684946, 1369892, 1712365, 2739784, 3424730, 6849460, 13698920]

約数ペア:

[(1, 13698920), (2, 6849460), (4, 3424730), (5, 2739784), (8, 1712365), (10, 1369892), (20, 684946), (40, 342473), (41, 334120), (82, 167060), (164, 83530), (205, 66824), (328, 41765), (410, 33412), (820, 16706), (1640, 8353)]