538447520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19913}}^1$

素因数の和:19954

約数の個数: 72

約数和(自身を含む): 1377531036

約数和(自身を除く): 839083516

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 5408, 6760, 13520, 19913, 27040, 39826, 79652, 99565, 159304, 199130, 258869, 318608, 398260, 517738, 637216, 796520, 1035476, 1294345, 1593040, 2070952, 2588690, 3186080, 3365297, 4141904, 5177380, 6730594, 8283808, 10354760, 13461188, 16826485, 20709520, 26922376, 33652970, 41419040, 53844752, 67305940, 107689504, 134611880, 269223760, 538447520]

約数ペア:

[(1, 538447520), (2, 269223760), (4, 134611880), (5, 107689504), (8, 67305940), (10, 53844752), (13, 41419040), (16, 33652970), (20, 26922376), (26, 20709520), (32, 16826485), (40, 13461188), (52, 10354760), (65, 8283808), (80, 6730594), (104, 5177380), (130, 4141904), (160, 3365297), (169, 3186080), (208, 2588690), (260, 2070952), (338, 1593040), (416, 1294345), (520, 1035476), (676, 796520), (845, 637216), (1040, 517738), (1352, 398260), (1690, 318608), (2080, 258869), (2704, 199130), (3380, 159304), (5408, 99565), (6760, 79652), (13520, 39826), (19913, 27040)]