42981040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28277}}^1$

素因数の和:28309

約数の個数: 40

約数和(自身を含む): 105194160

約数和(自身を除く): 62213120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 28277, 56554, 113108, 141385, 226216, 282770, 452432, 537263, 565540, 1074526, 1131080, 2149052, 2262160, 2686315, 4298104, 5372630, 8596208, 10745260, 21490520, 42981040]

約数ペア:

[(1, 42981040), (2, 21490520), (4, 10745260), (5, 8596208), (8, 5372630), (10, 4298104), (16, 2686315), (19, 2262160), (20, 2149052), (38, 1131080), (40, 1074526), (76, 565540), (80, 537263), (95, 452432), (152, 282770), (190, 226216), (304, 141385), (380, 113108), (760, 56554), (1520, 28277)]