8348398220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{40609}}^1$

素因数の和:41178

約数の個数: 48

約数和(自身を含む): 18488920800

約数和(自身を除く): 10140522580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 541, 1082, 2164, 2705, 5410, 10279, 10820, 20558, 40609, 41116, 51395, 81218, 102790, 162436, 203045, 205580, 406090, 771571, 812180, 1543142, 3086284, 3857855, 7715710, 15431420, 21969469, 43938938, 87877876, 109847345, 219694690, 417419911, 439389380, 834839822, 1669679644, 2087099555, 4174199110, 8348398220]

約数ペア:

[(1, 8348398220), (2, 4174199110), (4, 2087099555), (5, 1669679644), (10, 834839822), (19, 439389380), (20, 417419911), (38, 219694690), (76, 109847345), (95, 87877876), (190, 43938938), (380, 21969469), (541, 15431420), (1082, 7715710), (2164, 3857855), (2705, 3086284), (5410, 1543142), (10279, 812180), (10820, 771571), (20558, 406090), (40609, 205580), (41116, 203045), (51395, 162436), (81218, 102790)]