77304680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47137}}^1$

素因数の和:47189

約数の個数: 32

約数和(自身を含む): 178181640

約数和(自身を除く): 100876960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 47137, 94274, 188548, 235685, 377096, 471370, 942740, 1885480, 1932617, 3865234, 7730468, 9663085, 15460936, 19326170, 38652340, 77304680]

約数ペア:

[(1, 77304680), (2, 38652340), (4, 19326170), (5, 15460936), (8, 9663085), (10, 7730468), (20, 3865234), (40, 1932617), (41, 1885480), (82, 942740), (164, 471370), (205, 377096), (328, 235685), (410, 188548), (820, 94274), (1640, 47137)]