81937570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{5209}}^1$

素因数の和:5251

約数の個数: 48

約数和(自身を含む): 174618360

約数和(自身を除く): 92680790

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1210, 1430, 1573, 3146, 5209, 7865, 10418, 15730, 26045, 52090, 57299, 67717, 114598, 135434, 286495, 338585, 572990, 630289, 677170, 744887, 1260578, 1489774, 3151445, 3724435, 6302890, 7448870, 8193757, 16387514, 40968785, 81937570]

約数ペア:

[(1, 81937570), (2, 40968785), (5, 16387514), (10, 8193757), (11, 7448870), (13, 6302890), (22, 3724435), (26, 3151445), (55, 1489774), (65, 1260578), (110, 744887), (121, 677170), (130, 630289), (143, 572990), (242, 338585), (286, 286495), (605, 135434), (715, 114598), (1210, 67717), (1430, 57299), (1573, 52090), (3146, 26045), (5209, 15730), (7865, 10418)]