12777380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8297}}^1$

素因数の和:8324

約数の個数: 48

約数和(自身を含む): 33457536

約数和(自身を除く): 20680156

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, 8297, 16594, 33188, 41485, 58079, 82970, 91267, 116158, 165940, 182534, 232316, 290395, 365068, 456335, 580790, 638869, 912670, 1161580, 1277738, 1825340, 2555476, 3194345, 6388690, 12777380]

約数ペア:

[(1, 12777380), (2, 6388690), (4, 3194345), (5, 2555476), (7, 1825340), (10, 1277738), (11, 1161580), (14, 912670), (20, 638869), (22, 580790), (28, 456335), (35, 365068), (44, 290395), (55, 232316), (70, 182534), (77, 165940), (110, 116158), (140, 91267), (154, 82970), (220, 58079), (308, 41485), (385, 33188), (770, 16594), (1540, 8297)]