495492040

素因数分解:

$2^3\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{9839}}^1$

素因数の和:11109

約数の個数: 32

約数和(自身を含む): 1115856000

約数和(自身を除く): 620363960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1259, 2518, 5036, 6295, 9839, 10072, 12590, 19678, 25180, 39356, 49195, 50360, 78712, 98390, 196780, 393560, 12387301, 24774602, 49549204, 61936505, 99098408, 123873010, 247746020, 495492040]

約数ペア:

[(1, 495492040), (2, 247746020), (4, 123873010), (5, 99098408), (8, 61936505), (10, 49549204), (20, 24774602), (40, 12387301), (1259, 393560), (2518, 196780), (5036, 98390), (6295, 78712), (9839, 50360), (10072, 49195), (12590, 39356), (19678, 25180)]