51220048

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 120

約数和(自身を含む): 123340320

約数和(自身を除く): 72120272

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 34, 38, 44, 53, 68, 76, 88, 106, 136, 152, 176, 187, 209, 212, 272, 289, 304, 323, 374, 418, 424, 578, 583, 646, 748, 836, 848, 901, 1007, 1156, 1166, 1292, 1496, 1672, 1802, 2014, 2312, 2332, 2584, 2992, 3179, 3344, 3553, 3604, 4028, 4624, 4664, 5168, 5491, 6358, 7106, 7208, 8056, 9328, 9911, 10982, 11077, 12716, 14212, 14416, 15317, 16112, 17119, 19822, 21964, 22154, 25432, 28424, 30634, 34238, 39644, 43928, 44308, 50864, 56848, 60401, 61268, 68476, 79288, 87856, 88616, 120802, 122536, 136952, 158576, 168487, 177232, 188309, 241604, 245072, 273904, 291023, 336974, 376618, 483208, 582046, 673948, 753236, 966416, 1164092, 1347896, 1506472, 2328184, 2695792, 3012944, 3201253, 4656368, 6402506, 12805012, 25610024, 51220048]

約数ペア:

[(1, 51220048), (2, 25610024), (4, 12805012), (8, 6402506), (11, 4656368), (16, 3201253), (17, 3012944), (19, 2695792), (22, 2328184), (34, 1506472), (38, 1347896), (44, 1164092), (53, 966416), (68, 753236), (76, 673948), (88, 582046), (106, 483208), (136, 376618), (152, 336974), (176, 291023), (187, 273904), (209, 245072), (212, 241604), (272, 188309), (289, 177232), (304, 168487), (323, 158576), (374, 136952), (418, 122536), (424, 120802), (578, 88616), (583, 87856), (646, 79288), (748, 68476), (836, 61268), (848, 60401), (901, 56848), (1007, 50864), (1156, 44308), (1166, 43928), (1292, 39644), (1496, 34238), (1672, 30634), (1802, 28424), (2014, 25432), (2312, 22154), (2332, 21964), (2584, 19822), (2992, 17119), (3179, 16112), (3344, 15317), (3553, 14416), (3604, 14212), (4028, 12716), (4624, 11077), (4664, 10982), (5168, 9911), (5491, 9328), (6358, 8056), (7106, 7208)]