51561730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1063

約数の個数: 48

約数和(自身を含む): 104493312

約数和(自身を除く): 52931582

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 121, 215, 242, 430, 473, 605, 946, 991, 1210, 1982, 2365, 4730, 4955, 5203, 9910, 10406, 10901, 21802, 26015, 42613, 52030, 54505, 85226, 109010, 119911, 213065, 239822, 426130, 468743, 599555, 937486, 1199110, 2343715, 4687430, 5156173, 10312346, 25780865, 51561730]

約数ペア:

[(1, 51561730), (2, 25780865), (5, 10312346), (10, 5156173), (11, 4687430), (22, 2343715), (43, 1199110), (55, 937486), (86, 599555), (110, 468743), (121, 426130), (215, 239822), (242, 213065), (430, 119911), (473, 109010), (605, 85226), (946, 54505), (991, 52030), (1210, 42613), (1982, 26015), (2365, 21802), (4730, 10901), (4955, 10406), (5203, 9910)]