61081240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{138821}}^1$

素因数の和:138843

約数の個数: 32

約数和(自身を含む): 149927760

約数和(自身を除く): 88846520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 138821, 277642, 555284, 694105, 1110568, 1388210, 1527031, 2776420, 3054062, 5552840, 6108124, 7635155, 12216248, 15270310, 30540620, 61081240]

約数ペア:

[(1, 61081240), (2, 30540620), (4, 15270310), (5, 12216248), (8, 7635155), (10, 6108124), (11, 5552840), (20, 3054062), (22, 2776420), (40, 1527031), (44, 1388210), (55, 1110568), (88, 694105), (110, 555284), (220, 277642), (440, 138821)]