66524540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 144027072

約数和(自身を除く): 77502532

約数列:

[1, 2, 4, 5, 10, 20, 53, 97, 106, 194, 212, 265, 388, 485, 530, 647, 970, 1060, 1294, 1940, 2588, 3235, 5141, 6470, 10282, 12940, 20564, 25705, 34291, 51410, 62759, 68582, 102820, 125518, 137164, 171455, 251036, 313795, 342910, 627590, 685820, 1255180, 3326227, 6652454, 13304908, 16631135, 33262270, 66524540]

約数ペア:

[(1, 66524540), (2, 33262270), (4, 16631135), (5, 13304908), (10, 6652454), (20, 3326227), (53, 1255180), (97, 685820), (106, 627590), (194, 342910), (212, 313795), (265, 251036), (388, 171455), (485, 137164), (530, 125518), (647, 102820), (970, 68582), (1060, 62759), (1294, 51410), (1940, 34291), (2588, 25705), (3235, 20564), (5141, 12940), (6470, 10282)]