51180580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21149}}^1$

素因数の和:21180

約数の個数: 36

約数和(自身を含む): 118143900

約数和(自身を除く): 66963320

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 21149, 42298, 84596, 105745, 211490, 232639, 422980, 465278, 930556, 1163195, 2326390, 2559029, 4652780, 5118058, 10236116, 12795145, 25590290, 51180580]

約数ペア:

[(1, 51180580), (2, 25590290), (4, 12795145), (5, 10236116), (10, 5118058), (11, 4652780), (20, 2559029), (22, 2326390), (44, 1163195), (55, 930556), (110, 465278), (121, 422980), (220, 232639), (242, 211490), (484, 105745), (605, 84596), (1210, 42298), (2420, 21149)]