84480640

素因数分解:

$2^7\times 5^1\times {\mathrm{132001}}^1$

素因数の和:132020

約数の個数: 32

約数和(自身を含む): 201963060

約数和(自身を除く): 117482420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 132001, 264002, 528004, 660005, 1056008, 1320010, 2112016, 2640020, 4224032, 5280040, 8448064, 10560080, 16896128, 21120160, 42240320, 84480640]

約数ペア:

[(1, 84480640), (2, 42240320), (4, 21120160), (5, 16896128), (8, 10560080), (10, 8448064), (16, 5280040), (20, 4224032), (32, 2640020), (40, 2112016), (64, 1320010), (80, 1056008), (128, 660005), (160, 528004), (320, 264002), (640, 132001)]