31403120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{8011}}^1$

素因数の和:8038

約数の個数: 60

約数和(自身を含む): 84943224

約数和(自身を除く): 53540104

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, 8011, 16022, 32044, 40055, 56077, 64088, 80110, 112154, 128176, 160220, 224308, 280385, 320440, 392539, 448616, 560770, 640880, 785078, 897232, 1121540, 1570156, 1962695, 2243080, 3140312, 3925390, 4486160, 6280624, 7850780, 15701560, 31403120]

約数ペア:

[(1, 31403120), (2, 15701560), (4, 7850780), (5, 6280624), (7, 4486160), (8, 3925390), (10, 3140312), (14, 2243080), (16, 1962695), (20, 1570156), (28, 1121540), (35, 897232), (40, 785078), (49, 640880), (56, 560770), (70, 448616), (80, 392539), (98, 320440), (112, 280385), (140, 224308), (196, 160220), (245, 128176), (280, 112154), (392, 80110), (490, 64088), (560, 56077), (784, 40055), (980, 32044), (1960, 16022), (3920, 8011)]