66501220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1459}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 145696320

約数和(自身を除く): 79195100

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 860, 1060, 1459, 2279, 2918, 4558, 5836, 7295, 9116, 11395, 14590, 22790, 29180, 45580, 62737, 77327, 125474, 154654, 250948, 309308, 313685, 386635, 627370, 773270, 1254740, 1546540, 3325061, 6650122, 13300244, 16625305, 33250610, 66501220]

約数ペア:

[(1, 66501220), (2, 33250610), (4, 16625305), (5, 13300244), (10, 6650122), (20, 3325061), (43, 1546540), (53, 1254740), (86, 773270), (106, 627370), (172, 386635), (212, 313685), (215, 309308), (265, 250948), (430, 154654), (530, 125474), (860, 77327), (1060, 62737), (1459, 45580), (2279, 29180), (2918, 22790), (4558, 14590), (5836, 11395), (7295, 9116)]