25920620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10711}}^1$

素因数の和:10742

約数の個数: 36

約数和(自身を含む): 59837232

約数和(自身を除く): 33916612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 10711, 21422, 42844, 53555, 107110, 117821, 214220, 235642, 471284, 589105, 1178210, 1296031, 2356420, 2592062, 5184124, 6480155, 12960310, 25920620]

約数ペア:

[(1, 25920620), (2, 12960310), (4, 6480155), (5, 5184124), (10, 2592062), (11, 2356420), (20, 1296031), (22, 1178210), (44, 589105), (55, 471284), (110, 235642), (121, 214220), (220, 117821), (242, 107110), (484, 53555), (605, 42844), (1210, 21422), (2420, 10711)]