15988533280

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1009}}^1\times {\mathrm{1021}}^1$

素因数の和:2142

約数の個数: 96

約数和(自身を含む): 38237557680

約数和(自身を除く): 22249024400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1009, 1021, 1552, 1940, 2018, 2042, 3104, 3880, 4036, 4084, 5045, 5105, 7760, 8072, 8168, 10090, 10210, 15520, 16144, 16336, 20180, 20420, 32288, 32672, 40360, 40840, 80720, 81680, 97873, 99037, 161440, 163360, 195746, 198074, 391492, 396148, 489365, 495185, 782984, 792296, 978730, 990370, 1030189, 1565968, 1584592, 1957460, 1980740, 2060378, 3131936, 3169184, 3914920, 3961480, 4120756, 5150945, 7829840, 7922960, 8241512, 10301890, 15659680, 15845920, 16483024, 20603780, 32966048, 41207560, 82415120, 99928333, 164830240, 199856666, 399713332, 499641665, 799426664, 999283330, 1598853328, 1998566660, 3197706656, 3997133320, 7994266640, 15988533280]

約数ペア:

[(1, 15988533280), (2, 7994266640), (4, 3997133320), (5, 3197706656), (8, 1998566660), (10, 1598853328), (16, 999283330), (20, 799426664), (32, 499641665), (40, 399713332), (80, 199856666), (97, 164830240), (160, 99928333), (194, 82415120), (388, 41207560), (485, 32966048), (776, 20603780), (970, 16483024), (1009, 15845920), (1021, 15659680), (1552, 10301890), (1940, 8241512), (2018, 7922960), (2042, 7829840), (3104, 5150945), (3880, 4120756), (4036, 3961480), (4084, 3914920), (5045, 3169184), (5105, 3131936), (7760, 2060378), (8072, 1980740), (8168, 1957460), (10090, 1584592), (10210, 1565968), (15520, 1030189), (16144, 990370), (16336, 978730), (20180, 792296), (20420, 782984), (32288, 495185), (32672, 489365), (40360, 396148), (40840, 391492), (80720, 198074), (81680, 195746), (97873, 163360), (99037, 161440)]