8256920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 21833280

約数和(自身を除く): 13576360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 797, 1036, 1295, 1480, 1594, 2072, 2590, 3188, 3985, 5180, 5579, 6376, 7970, 10360, 11158, 15940, 22316, 27895, 29489, 31880, 44632, 55790, 58978, 111580, 117956, 147445, 206423, 223160, 235912, 294890, 412846, 589780, 825692, 1032115, 1179560, 1651384, 2064230, 4128460, 8256920]

約数ペア:

[(1, 8256920), (2, 4128460), (4, 2064230), (5, 1651384), (7, 1179560), (8, 1032115), (10, 825692), (14, 589780), (20, 412846), (28, 294890), (35, 235912), (37, 223160), (40, 206423), (56, 147445), (70, 117956), (74, 111580), (140, 58978), (148, 55790), (185, 44632), (259, 31880), (280, 29489), (296, 27895), (370, 22316), (518, 15940), (740, 11158), (797, 10360), (1036, 7970), (1295, 6376), (1480, 5579), (1594, 5180), (2072, 3985), (2590, 3188)]