16609880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 43122240

約数和(自身を除く): 26512360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 433, 548, 685, 866, 959, 1096, 1370, 1732, 1918, 2165, 2740, 3031, 3464, 3836, 4330, 4795, 5480, 6062, 7672, 8660, 9590, 12124, 15155, 17320, 19180, 24248, 30310, 38360, 59321, 60620, 118642, 121240, 237284, 296605, 415247, 474568, 593210, 830494, 1186420, 1660988, 2076235, 2372840, 3321976, 4152470, 8304940, 16609880]

約数ペア:

[(1, 16609880), (2, 8304940), (4, 4152470), (5, 3321976), (7, 2372840), (8, 2076235), (10, 1660988), (14, 1186420), (20, 830494), (28, 593210), (35, 474568), (40, 415247), (56, 296605), (70, 237284), (137, 121240), (140, 118642), (274, 60620), (280, 59321), (433, 38360), (548, 30310), (685, 24248), (866, 19180), (959, 17320), (1096, 15155), (1370, 12124), (1732, 9590), (1918, 8660), (2165, 7672), (2740, 6062), (3031, 5480), (3464, 4795), (3836, 4330)]