25262680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 35701160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 136, 170, 194, 340, 383, 388, 485, 680, 766, 776, 970, 1532, 1649, 1915, 1940, 3064, 3298, 3830, 3880, 6511, 6596, 7660, 8245, 13022, 13192, 15320, 16490, 26044, 32555, 32980, 37151, 52088, 65110, 65960, 74302, 130220, 148604, 185755, 260440, 297208, 371510, 631567, 743020, 1263134, 1486040, 2526268, 3157835, 5052536, 6315670, 12631340, 25262680]

約数ペア:

[(1, 25262680), (2, 12631340), (4, 6315670), (5, 5052536), (8, 3157835), (10, 2526268), (17, 1486040), (20, 1263134), (34, 743020), (40, 631567), (68, 371510), (85, 297208), (97, 260440), (136, 185755), (170, 148604), (194, 130220), (340, 74302), (383, 65960), (388, 65110), (485, 52088), (680, 37151), (766, 32980), (776, 32555), (970, 26044), (1532, 16490), (1649, 15320), (1915, 13192), (1940, 13022), (3064, 8245), (3298, 7660), (3830, 6596), (3880, 6511)]