262659280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8147}}^1$

素因数の和:8204

約数の個数: 80

約数和(自身を含む): 678956544

約数和(自身を除く): 416297264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 8147, 16120, 16294, 32240, 32588, 40735, 65176, 81470, 105911, 130352, 162940, 211822, 252557, 325880, 423644, 505114, 529555, 651760, 847288, 1010228, 1059110, 1262785, 1694576, 2020456, 2118220, 2525570, 3283241, 4040912, 4236440, 5051140, 6566482, 8472880, 10102280, 13132964, 16416205, 20204560, 26265928, 32832410, 52531856, 65664820, 131329640, 262659280]

約数ペア:

[(1, 262659280), (2, 131329640), (4, 65664820), (5, 52531856), (8, 32832410), (10, 26265928), (13, 20204560), (16, 16416205), (20, 13132964), (26, 10102280), (31, 8472880), (40, 6566482), (52, 5051140), (62, 4236440), (65, 4040912), (80, 3283241), (104, 2525570), (124, 2118220), (130, 2020456), (155, 1694576), (208, 1262785), (248, 1059110), (260, 1010228), (310, 847288), (403, 651760), (496, 529555), (520, 505114), (620, 423644), (806, 325880), (1040, 252557), (1240, 211822), (1612, 162940), (2015, 130352), (2480, 105911), (3224, 81470), (4030, 65176), (6448, 40735), (8060, 32588), (8147, 32240), (16120, 16294)]