865884080

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1\times {\mathrm{463}}^1$

素因数の和:814

約数の個数: 80

約数和(自身を含む): 2046785664

約数和(自身を除く): 1180901584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 241, 388, 463, 482, 485, 776, 926, 964, 970, 1205, 1552, 1852, 1928, 1940, 2315, 2410, 3704, 3856, 3880, 4630, 4820, 7408, 7760, 9260, 9640, 18520, 19280, 23377, 37040, 44911, 46754, 89822, 93508, 111583, 116885, 179644, 187016, 223166, 224555, 233770, 359288, 374032, 446332, 449110, 467540, 557915, 718576, 892664, 898220, 935080, 1115830, 1785328, 1796440, 1870160, 2231660, 3592880, 4463320, 8926640, 10823551, 21647102, 43294204, 54117755, 86588408, 108235510, 173176816, 216471020, 432942040, 865884080]

約数ペア:

[(1, 865884080), (2, 432942040), (4, 216471020), (5, 173176816), (8, 108235510), (10, 86588408), (16, 54117755), (20, 43294204), (40, 21647102), (80, 10823551), (97, 8926640), (194, 4463320), (241, 3592880), (388, 2231660), (463, 1870160), (482, 1796440), (485, 1785328), (776, 1115830), (926, 935080), (964, 898220), (970, 892664), (1205, 718576), (1552, 557915), (1852, 467540), (1928, 449110), (1940, 446332), (2315, 374032), (2410, 359288), (3704, 233770), (3856, 224555), (3880, 223166), (4630, 187016), (4820, 179644), (7408, 116885), (7760, 111583), (9260, 93508), (9640, 89822), (18520, 46754), (19280, 44911), (23377, 37040)]