17280680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{257}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 40008060

約数和(自身を除く): 22727380

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 257, 328, 410, 514, 820, 1028, 1285, 1640, 1681, 2056, 2570, 3362, 5140, 6724, 8405, 10280, 10537, 13448, 16810, 21074, 33620, 42148, 52685, 67240, 84296, 105370, 210740, 421480, 432017, 864034, 1728068, 2160085, 3456136, 4320170, 8640340, 17280680]

約数ペア:

[(1, 17280680), (2, 8640340), (4, 4320170), (5, 3456136), (8, 2160085), (10, 1728068), (20, 864034), (40, 432017), (41, 421480), (82, 210740), (164, 105370), (205, 84296), (257, 67240), (328, 52685), (410, 42148), (514, 33620), (820, 21074), (1028, 16810), (1285, 13448), (1640, 10537), (1681, 10280), (2056, 8405), (2570, 6724), (3362, 5140)]