28809452020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1\times {\mathrm{1277}}^1$

素因数の和:1813

約数の個数: 96

約数和(自身を含む): 63438590880

約数和(自身を除く): 34629138860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 97, 116, 145, 194, 290, 388, 401, 485, 580, 802, 970, 1277, 1604, 1940, 2005, 2554, 2813, 4010, 5108, 5626, 6385, 8020, 11252, 11629, 12770, 14065, 23258, 25540, 28130, 37033, 38897, 46516, 56260, 58145, 74066, 77794, 116290, 123869, 148132, 155588, 185165, 194485, 232580, 247738, 370330, 388970, 495476, 512077, 619345, 740660, 777940, 1024154, 1128013, 1238690, 2048308, 2256026, 2477380, 2560385, 3592201, 4512052, 5120770, 5640065, 7184402, 10241540, 11280130, 14368804, 14850233, 17961005, 22560260, 29700466, 35922010, 49671469, 59400932, 71844020, 74251165, 99342938, 148502330, 198685876, 248357345, 297004660, 496714690, 993429380, 1440472601, 2880945202, 5761890404, 7202363005, 14404726010, 28809452020]

約数ペア:

[(1, 28809452020), (2, 14404726010), (4, 7202363005), (5, 5761890404), (10, 2880945202), (20, 1440472601), (29, 993429380), (58, 496714690), (97, 297004660), (116, 248357345), (145, 198685876), (194, 148502330), (290, 99342938), (388, 74251165), (401, 71844020), (485, 59400932), (580, 49671469), (802, 35922010), (970, 29700466), (1277, 22560260), (1604, 17961005), (1940, 14850233), (2005, 14368804), (2554, 11280130), (2813, 10241540), (4010, 7184402), (5108, 5640065), (5626, 5120770), (6385, 4512052), (8020, 3592201), (11252, 2560385), (11629, 2477380), (12770, 2256026), (14065, 2048308), (23258, 1238690), (25540, 1128013), (28130, 1024154), (37033, 777940), (38897, 740660), (46516, 619345), (56260, 512077), (58145, 495476), (74066, 388970), (77794, 370330), (116290, 247738), (123869, 232580), (148132, 194485), (155588, 185165)]