80452540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1129}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 193636800

約数和(自身を除く): 113184260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 1129, 2036, 2258, 2545, 3563, 4516, 5090, 5645, 7126, 7903, 10180, 11290, 14252, 15806, 17815, 22580, 31612, 35630, 39515, 71260, 79030, 158060, 574661, 1149322, 2298644, 2873305, 4022627, 5746610, 8045254, 11493220, 16090508, 20113135, 40226270, 80452540]

約数ペア:

[(1, 80452540), (2, 40226270), (4, 20113135), (5, 16090508), (7, 11493220), (10, 8045254), (14, 5746610), (20, 4022627), (28, 2873305), (35, 2298644), (70, 1149322), (140, 574661), (509, 158060), (1018, 79030), (1129, 71260), (2036, 39515), (2258, 35630), (2545, 31612), (3563, 22580), (4516, 17815), (5090, 15806), (5645, 14252), (7126, 11290), (7903, 10180)]