133428640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43891}}^1$

素因数の和:43925

約数の個数: 48

約数和(自身を含む): 331823520

約数和(自身を除く): 198394880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 43891, 87782, 175564, 219455, 351128, 438910, 702256, 833929, 877820, 1404512, 1667858, 1755640, 3335716, 3511280, 4169645, 6671432, 7022560, 8339290, 13342864, 16678580, 26685728, 33357160, 66714320, 133428640]

約数ペア:

[(1, 133428640), (2, 66714320), (4, 33357160), (5, 26685728), (8, 16678580), (10, 13342864), (16, 8339290), (19, 7022560), (20, 6671432), (32, 4169645), (38, 3511280), (40, 3335716), (76, 1755640), (80, 1667858), (95, 1404512), (152, 877820), (160, 833929), (190, 702256), (304, 438910), (380, 351128), (608, 219455), (760, 175564), (1520, 87782), (3040, 43891)]