40991472

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 120

約数和(自身を含む): 120648528

約数和(自身を除く): 79657056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 53, 72, 82, 106, 123, 131, 144, 159, 164, 212, 246, 262, 318, 328, 369, 393, 424, 477, 492, 524, 636, 656, 738, 786, 848, 954, 984, 1048, 1179, 1272, 1476, 1572, 1908, 1968, 2096, 2173, 2358, 2544, 2952, 3144, 3816, 4346, 4716, 5371, 5904, 6288, 6519, 6943, 7632, 8692, 9432, 10742, 13038, 13886, 16113, 17384, 18864, 19557, 20829, 21484, 26076, 27772, 32226, 34768, 39114, 41658, 42968, 48339, 52152, 55544, 62487, 64452, 78228, 83316, 85936, 96678, 104304, 111088, 124974, 128904, 156456, 166632, 193356, 249948, 257808, 284663, 312912, 333264, 386712, 499896, 569326, 773424, 853989, 999792, 1138652, 1707978, 2277304, 2561967, 3415956, 4554608, 5123934, 6831912, 10247868, 13663824, 20495736, 40991472]

約数ペア:

[(1, 40991472), (2, 20495736), (3, 13663824), (4, 10247868), (6, 6831912), (8, 5123934), (9, 4554608), (12, 3415956), (16, 2561967), (18, 2277304), (24, 1707978), (36, 1138652), (41, 999792), (48, 853989), (53, 773424), (72, 569326), (82, 499896), (106, 386712), (123, 333264), (131, 312912), (144, 284663), (159, 257808), (164, 249948), (212, 193356), (246, 166632), (262, 156456), (318, 128904), (328, 124974), (369, 111088), (393, 104304), (424, 96678), (477, 85936), (492, 83316), (524, 78228), (636, 64452), (656, 62487), (738, 55544), (786, 52152), (848, 48339), (954, 42968), (984, 41658), (1048, 39114), (1179, 34768), (1272, 32226), (1476, 27772), (1572, 26076), (1908, 21484), (1968, 20829), (2096, 19557), (2173, 18864), (2358, 17384), (2544, 16113), (2952, 13886), (3144, 13038), (3816, 10742), (4346, 9432), (4716, 8692), (5371, 7632), (5904, 6943), (6288, 6519)]