13387220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8693}}^1$

素因数の和:8720

約数の個数: 48

約数和(自身を含む): 35054208

約数和(自身を除く): 21666988

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, 8693, 17386, 34772, 43465, 60851, 86930, 95623, 121702, 173860, 191246, 243404, 304255, 382492, 478115, 608510, 669361, 956230, 1217020, 1338722, 1912460, 2677444, 3346805, 6693610, 13387220]

約数ペア:

[(1, 13387220), (2, 6693610), (4, 3346805), (5, 2677444), (7, 1912460), (10, 1338722), (11, 1217020), (14, 956230), (20, 669361), (22, 608510), (28, 478115), (35, 382492), (44, 304255), (55, 243404), (70, 191246), (77, 173860), (110, 121702), (140, 95623), (154, 86930), (220, 60851), (308, 43465), (385, 34772), (770, 17386), (1540, 8693)]