16812880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4289}}^1$

素因数の和:4316

約数の個数: 60

約数和(自身を含む): 45482580

約数和(自身を除く): 28669700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4289, 8578, 17156, 21445, 30023, 34312, 42890, 60046, 68624, 85780, 120092, 150115, 171560, 210161, 240184, 300230, 343120, 420322, 480368, 600460, 840644, 1050805, 1200920, 1681288, 2101610, 2401840, 3362576, 4203220, 8406440, 16812880]

約数ペア:

[(1, 16812880), (2, 8406440), (4, 4203220), (5, 3362576), (7, 2401840), (8, 2101610), (10, 1681288), (14, 1200920), (16, 1050805), (20, 840644), (28, 600460), (35, 480368), (40, 420322), (49, 343120), (56, 300230), (70, 240184), (80, 210161), (98, 171560), (112, 150115), (140, 120092), (196, 85780), (245, 68624), (280, 60046), (392, 42890), (490, 34312), (560, 30023), (784, 21445), (980, 17156), (1960, 8578), (3920, 4289)]