2131796720

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{194507}}^1$

素因数の和:194657

約数の個数: 40

約数和(自身を含む): 4992631344

約数和(自身を除く): 2860834624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 194507, 389014, 778028, 972535, 1556056, 1945070, 3112112, 3890140, 7780280, 15560560, 26647459, 53294918, 106589836, 133237295, 213179672, 266474590, 426359344, 532949180, 1065898360, 2131796720]

約数ペア:

[(1, 2131796720), (2, 1065898360), (4, 532949180), (5, 426359344), (8, 266474590), (10, 213179672), (16, 133237295), (20, 106589836), (40, 53294918), (80, 26647459), (137, 15560560), (274, 7780280), (548, 3890140), (685, 3112112), (1096, 1945070), (1370, 1556056), (2192, 972535), (2740, 778028), (5480, 389014), (10960, 194507)]