25381065008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{73999}}^1$

素因数の和:74134

約数の個数: 80

約数和(自身を含む): 56652624000

約数和(自身を除く): 31271558992

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 97, 104, 136, 194, 208, 221, 272, 388, 442, 776, 884, 1261, 1552, 1649, 1768, 2522, 3298, 3536, 5044, 6596, 10088, 13192, 20176, 21437, 26384, 42874, 73999, 85748, 147998, 171496, 295996, 342992, 591992, 961987, 1183984, 1257983, 1923974, 2515966, 3847948, 5031932, 7177903, 7695896, 10063864, 14355806, 15391792, 16353779, 20127728, 28711612, 32707558, 57423224, 65415116, 93312739, 114846448, 122024351, 130830232, 186625478, 244048702, 261660464, 373250956, 488097404, 746501912, 976194808, 1493003824, 1586316563, 1952389616, 3172633126, 6345266252, 12690532504, 25381065008]

約数ペア:

[(1, 25381065008), (2, 12690532504), (4, 6345266252), (8, 3172633126), (13, 1952389616), (16, 1586316563), (17, 1493003824), (26, 976194808), (34, 746501912), (52, 488097404), (68, 373250956), (97, 261660464), (104, 244048702), (136, 186625478), (194, 130830232), (208, 122024351), (221, 114846448), (272, 93312739), (388, 65415116), (442, 57423224), (776, 32707558), (884, 28711612), (1261, 20127728), (1552, 16353779), (1649, 15391792), (1768, 14355806), (2522, 10063864), (3298, 7695896), (3536, 7177903), (5044, 5031932), (6596, 3847948), (10088, 2515966), (13192, 1923974), (20176, 1257983), (21437, 1183984), (26384, 961987), (42874, 591992), (73999, 342992), (85748, 295996), (147998, 171496)]