2012252560

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{127681}}^1$

素因数の和:127891

約数の個数: 40

約数和(自身を含む): 4702272696

約数和(自身を除く): 2690020136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 127681, 255362, 510724, 638405, 1021448, 1276810, 2042896, 2553620, 5107240, 10214480, 25153157, 50306314, 100612628, 125765785, 201225256, 251531570, 402450512, 503063140, 1006126280, 2012252560]

約数ペア:

[(1, 2012252560), (2, 1006126280), (4, 503063140), (5, 402450512), (8, 251531570), (10, 201225256), (16, 125765785), (20, 100612628), (40, 50306314), (80, 25153157), (197, 10214480), (394, 5107240), (788, 2553620), (985, 2042896), (1576, 1276810), (1970, 1021448), (3152, 638405), (3940, 510724), (7880, 255362), (15760, 127681)]