8320280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2633}}^1$

素因数の和:2723

約数の個数: 32

約数和(自身を含む): 18964800

約数和(自身を除く): 10644520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 2633, 3160, 5266, 10532, 13165, 21064, 26330, 52660, 105320, 208007, 416014, 832028, 1040035, 1664056, 2080070, 4160140, 8320280]

約数ペア:

[(1, 8320280), (2, 4160140), (4, 2080070), (5, 1664056), (8, 1040035), (10, 832028), (20, 416014), (40, 208007), (79, 105320), (158, 52660), (316, 26330), (395, 21064), (632, 13165), (790, 10532), (1580, 5266), (2633, 3160)]