40638416

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 103475520

約数和(自身を除く): 62837104

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 113, 133, 152, 169, 182, 208, 226, 247, 266, 304, 338, 364, 452, 494, 532, 676, 728, 791, 904, 988, 1064, 1183, 1352, 1456, 1469, 1582, 1729, 1808, 1976, 2128, 2147, 2366, 2704, 2938, 3164, 3211, 3458, 3952, 4294, 4732, 5876, 6328, 6422, 6916, 8588, 9464, 10283, 11752, 12656, 12844, 13832, 15029, 17176, 18928, 19097, 20566, 22477, 23504, 25688, 27664, 27911, 30058, 34352, 38194, 41132, 44954, 51376, 55822, 60116, 76388, 82264, 89908, 111644, 120232, 133679, 152776, 164528, 179816, 195377, 223288, 240464, 267358, 305552, 359632, 362843, 390754, 446576, 534716, 725686, 781508, 1069432, 1451372, 1563016, 2138864, 2539901, 2902744, 3126032, 5079802, 5805488, 10159604, 20319208, 40638416]

約数ペア:

[(1, 40638416), (2, 20319208), (4, 10159604), (7, 5805488), (8, 5079802), (13, 3126032), (14, 2902744), (16, 2539901), (19, 2138864), (26, 1563016), (28, 1451372), (38, 1069432), (52, 781508), (56, 725686), (76, 534716), (91, 446576), (104, 390754), (112, 362843), (113, 359632), (133, 305552), (152, 267358), (169, 240464), (182, 223288), (208, 195377), (226, 179816), (247, 164528), (266, 152776), (304, 133679), (338, 120232), (364, 111644), (452, 89908), (494, 82264), (532, 76388), (676, 60116), (728, 55822), (791, 51376), (904, 44954), (988, 41132), (1064, 38194), (1183, 34352), (1352, 30058), (1456, 27911), (1469, 27664), (1582, 25688), (1729, 23504), (1808, 22477), (1976, 20566), (2128, 19097), (2147, 18928), (2366, 17176), (2704, 15029), (2938, 13832), (3164, 12844), (3211, 12656), (3458, 11752), (3952, 10283), (4294, 9464), (4732, 8588), (5876, 6916), (6328, 6422)]