19858160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35461}}^1$

素因数の和:35481

約数の個数: 40

約数和(自身を含む): 52767456

約数和(自身を除く): 32909296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35461, 70922, 141844, 177305, 248227, 283688, 354610, 496454, 567376, 709220, 992908, 1241135, 1418440, 1985816, 2482270, 2836880, 3971632, 4964540, 9929080, 19858160]

約数ペア:

[(1, 19858160), (2, 9929080), (4, 4964540), (5, 3971632), (7, 2836880), (8, 2482270), (10, 1985816), (14, 1418440), (16, 1241135), (20, 992908), (28, 709220), (35, 567376), (40, 496454), (56, 354610), (70, 283688), (80, 248227), (112, 177305), (140, 141844), (280, 70922), (560, 35461)]