8961280

素因数分解:

$2^8\times 5^1\times {\mathrm{7001}}^1$

素因数の和:7022

約数の個数: 36

約数和(自身を含む): 21468132

約数和(自身を除く): 12506852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 7001, 14002, 28004, 35005, 56008, 70010, 112016, 140020, 224032, 280040, 448064, 560080, 896128, 1120160, 1792256, 2240320, 4480640, 8961280]

約数ペア:

[(1, 8961280), (2, 4480640), (4, 2240320), (5, 1792256), (8, 1120160), (10, 896128), (16, 560080), (20, 448064), (32, 280040), (40, 224032), (64, 140020), (80, 112016), (128, 70010), (160, 56008), (256, 35005), (320, 28004), (640, 14002), (1280, 7001)]