13122340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8521}}^1$

素因数の和:8548

約数の個数: 48

約数和(自身を含む): 34360704

約数和(自身を除く): 21238364

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, 8521, 17042, 34084, 42605, 59647, 85210, 93731, 119294, 170420, 187462, 238588, 298235, 374924, 468655, 596470, 656117, 937310, 1192940, 1312234, 1874620, 2624468, 3280585, 6561170, 13122340]

約数ペア:

[(1, 13122340), (2, 6561170), (4, 3280585), (5, 2624468), (7, 1874620), (10, 1312234), (11, 1192940), (14, 937310), (20, 656117), (22, 596470), (28, 468655), (35, 374924), (44, 298235), (55, 238588), (70, 187462), (77, 170420), (110, 119294), (140, 93731), (154, 85210), (220, 59647), (308, 42605), (385, 34084), (770, 17042), (1540, 8521)]