64471220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{26641}}^1$

素因数の和:26672

約数の個数: 36

約数和(自身を含む): 148822212

約数和(自身を除く): 84350992

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 26641, 53282, 106564, 133205, 266410, 293051, 532820, 586102, 1172204, 1465255, 2930510, 3223561, 5861020, 6447122, 12894244, 16117805, 32235610, 64471220]

約数ペア:

[(1, 64471220), (2, 32235610), (4, 16117805), (5, 12894244), (10, 6447122), (11, 5861020), (20, 3223561), (22, 2930510), (44, 1465255), (55, 1172204), (110, 586102), (121, 532820), (220, 293051), (242, 266410), (484, 133205), (605, 106564), (1210, 53282), (2420, 26641)]