40557874864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1\times {\mathrm{613}}^1$

素因数の和:1027

約数の個数: 120

約数和(自身を含む): 87850741776

約数和(自身を除く): 47292866912

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 331, 403, 496, 613, 662, 806, 961, 1226, 1324, 1612, 1922, 2452, 2648, 3224, 3844, 4303, 4904, 5296, 6448, 7688, 7969, 8606, 9808, 10261, 12493, 15376, 15938, 17212, 19003, 20522, 24986, 31876, 34424, 38006, 41044, 49972, 63752, 68848, 76012, 82088, 99944, 127504, 133393, 152024, 164176, 199888, 202903, 247039, 266786, 304048, 318091, 405806, 494078, 533572, 589093, 636182, 811612, 988156, 1067144, 1178186, 1272364, 1623224, 1976312, 2134288, 2356372, 2544728, 2637739, 3246448, 3952624, 4135183, 4712744, 5089456, 5275478, 6289993, 7658209, 8270366, 9425488, 10550956, 12579986, 15316418, 16540732, 21101912, 25159972, 30632836, 33081464, 42203824, 50319944, 61265672, 66162928, 81769909, 100639888, 122531344, 163539818, 194989783, 327079636, 389979566, 654159272, 779959132, 1308318544, 1559918264, 2534867179, 3119836528, 5069734358, 10139468716, 20278937432, 40557874864]

約数ペア:

[(1, 40557874864), (2, 20278937432), (4, 10139468716), (8, 5069734358), (13, 3119836528), (16, 2534867179), (26, 1559918264), (31, 1308318544), (52, 779959132), (62, 654159272), (104, 389979566), (124, 327079636), (208, 194989783), (248, 163539818), (331, 122531344), (403, 100639888), (496, 81769909), (613, 66162928), (662, 61265672), (806, 50319944), (961, 42203824), (1226, 33081464), (1324, 30632836), (1612, 25159972), (1922, 21101912), (2452, 16540732), (2648, 15316418), (3224, 12579986), (3844, 10550956), (4303, 9425488), (4904, 8270366), (5296, 7658209), (6448, 6289993), (7688, 5275478), (7969, 5089456), (8606, 4712744), (9808, 4135183), (10261, 3952624), (12493, 3246448), (15376, 2637739), (15938, 2544728), (17212, 2356372), (19003, 2134288), (20522, 1976312), (24986, 1623224), (31876, 1272364), (34424, 1178186), (38006, 1067144), (41044, 988156), (49972, 811612), (63752, 636182), (68848, 589093), (76012, 533572), (82088, 494078), (99944, 405806), (127504, 318091), (133393, 304048), (152024, 266786), (164176, 247039), (199888, 202903)]