90881840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{162289}}^1$

素因数の和:162309

約数の個数: 40

約数和(自身を含む): 241487520

約数和(自身を除く): 150605680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 162289, 324578, 649156, 811445, 1136023, 1298312, 1622890, 2272046, 2596624, 3245780, 4544092, 5680115, 6491560, 9088184, 11360230, 12983120, 18176368, 22720460, 45440920, 90881840]

約数ペア:

[(1, 90881840), (2, 45440920), (4, 22720460), (5, 18176368), (7, 12983120), (8, 11360230), (10, 9088184), (14, 6491560), (16, 5680115), (20, 4544092), (28, 3245780), (35, 2596624), (40, 2272046), (56, 1622890), (70, 1298312), (80, 1136023), (112, 811445), (140, 649156), (280, 324578), (560, 162289)]