12631340

素因数分解:

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

素因数の和:506

約数の個数: 48

約数和(自身を含む): 28449792

約数和(自身を除く): 15818452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 383, 388, 485, 766, 970, 1532, 1649, 1915, 1940, 3298, 3830, 6511, 6596, 7660, 8245, 13022, 16490, 26044, 32555, 32980, 37151, 65110, 74302, 130220, 148604, 185755, 371510, 631567, 743020, 1263134, 2526268, 3157835, 6315670, 12631340]

約数ペア:

[(1, 12631340), (2, 6315670), (4, 3157835), (5, 2526268), (10, 1263134), (17, 743020), (20, 631567), (34, 371510), (68, 185755), (85, 148604), (97, 130220), (170, 74302), (194, 65110), (340, 37151), (383, 32980), (388, 32555), (485, 26044), (766, 16490), (970, 13022), (1532, 8245), (1649, 7660), (1915, 6596), (1940, 6511), (3298, 3830)]