40709968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 93275280

約数和(自身を除く): 52565312

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 29, 34, 52, 58, 68, 104, 116, 136, 208, 221, 232, 272, 377, 397, 442, 464, 493, 754, 794, 884, 986, 1508, 1588, 1768, 1972, 3016, 3176, 3536, 3944, 5161, 6032, 6352, 6409, 6749, 7888, 10322, 11513, 12818, 13498, 20644, 23026, 25636, 26996, 41288, 46052, 51272, 53992, 82576, 87737, 92104, 102544, 107984, 149669, 175474, 184208, 195721, 299338, 350948, 391442, 598676, 701896, 782884, 1197352, 1403792, 1565768, 2394704, 2544373, 3131536, 5088746, 10177492, 20354984, 40709968]

約数ペア:

[(1, 40709968), (2, 20354984), (4, 10177492), (8, 5088746), (13, 3131536), (16, 2544373), (17, 2394704), (26, 1565768), (29, 1403792), (34, 1197352), (52, 782884), (58, 701896), (68, 598676), (104, 391442), (116, 350948), (136, 299338), (208, 195721), (221, 184208), (232, 175474), (272, 149669), (377, 107984), (397, 102544), (442, 92104), (464, 87737), (493, 82576), (754, 53992), (794, 51272), (884, 46052), (986, 41288), (1508, 26996), (1588, 25636), (1768, 23026), (1972, 20644), (3016, 13498), (3176, 12818), (3536, 11513), (3944, 10322), (5161, 7888), (6032, 6749), (6352, 6409)]