13405280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11969}}^1$

素因数の和:11991

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 22792000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 11969, 23938, 47876, 59845, 83783, 95752, 119690, 167566, 191504, 239380, 335132, 383008, 418915, 478760, 670264, 837830, 957520, 1340528, 1675660, 1915040, 2681056, 3351320, 6702640, 13405280]

約数ペア:

[(1, 13405280), (2, 6702640), (4, 3351320), (5, 2681056), (7, 1915040), (8, 1675660), (10, 1340528), (14, 957520), (16, 837830), (20, 670264), (28, 478760), (32, 418915), (35, 383008), (40, 335132), (56, 239380), (70, 191504), (80, 167566), (112, 119690), (140, 95752), (160, 83783), (224, 59845), (280, 47876), (560, 23938), (1120, 11969)]