12847780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5309}}^1$

素因数の和:5340

約数の個数: 36

約数和(自身を含む): 29661660

約数和(自身を除く): 16813880

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 5309, 10618, 21236, 26545, 53090, 58399, 106180, 116798, 233596, 291995, 583990, 642389, 1167980, 1284778, 2569556, 3211945, 6423890, 12847780]

約数ペア:

[(1, 12847780), (2, 6423890), (4, 3211945), (5, 2569556), (10, 1284778), (11, 1167980), (20, 642389), (22, 583990), (44, 291995), (55, 233596), (110, 116798), (121, 106180), (220, 58399), (242, 53090), (484, 26545), (605, 21236), (1210, 10618), (2420, 5309)]