13146980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8537}}^1$

素因数の和:8564

約数の個数: 48

約数和(自身を含む): 34425216

約数和(自身を除く): 21278236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 8537, 17074, 34148, 42685, 59759, 85370, 93907, 119518, 170740, 187814, 239036, 298795, 375628, 469535, 597590, 657349, 939070, 1195180, 1314698, 1878140, 2629396, 3286745, 6573490, 13146980]

約数ペア:

[(1, 13146980), (2, 6573490), (4, 3286745), (5, 2629396), (7, 1878140), (10, 1314698), (11, 1195180), (14, 939070), (20, 657349), (22, 597590), (28, 469535), (35, 375628), (44, 298795), (55, 239036), (70, 187814), (77, 170740), (110, 119518), (140, 93907), (154, 85370), (220, 59759), (308, 42685), (385, 34148), (770, 17074), (1540, 8537)]