56995640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2549}}^1$

素因数の和:2616

約数の個数: 64

約数和(自身を含む): 141372000

約数和(自身を除く): 84376360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2549, 2795, 4472, 5098, 5590, 10196, 11180, 12745, 20392, 22360, 25490, 33137, 50980, 66274, 101960, 109607, 132548, 165685, 219214, 265096, 331370, 438428, 548035, 662740, 876856, 1096070, 1325480, 1424891, 2192140, 2849782, 4384280, 5699564, 7124455, 11399128, 14248910, 28497820, 56995640]

約数ペア:

[(1, 56995640), (2, 28497820), (4, 14248910), (5, 11399128), (8, 7124455), (10, 5699564), (13, 4384280), (20, 2849782), (26, 2192140), (40, 1424891), (43, 1325480), (52, 1096070), (65, 876856), (86, 662740), (104, 548035), (130, 438428), (172, 331370), (215, 265096), (260, 219214), (344, 165685), (430, 132548), (520, 109607), (559, 101960), (860, 66274), (1118, 50980), (1720, 33137), (2236, 25490), (2549, 22360), (2795, 20392), (4472, 12745), (5098, 11180), (5590, 10196)]