90795920

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{10607}}^1$

素因数の和:10727

約数の個数: 40

約数和(自身を含む): 213093504

約数和(自身を除く): 122297584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 10607, 21214, 42428, 53035, 84856, 106070, 169712, 212140, 424280, 848560, 1134949, 2269898, 4539796, 5674745, 9079592, 11349490, 18159184, 22698980, 45397960, 90795920]

約数ペア:

[(1, 90795920), (2, 45397960), (4, 22698980), (5, 18159184), (8, 11349490), (10, 9079592), (16, 5674745), (20, 4539796), (40, 2269898), (80, 1134949), (107, 848560), (214, 424280), (428, 212140), (535, 169712), (856, 106070), (1070, 84856), (1712, 53035), (2140, 42428), (4280, 21214), (8560, 10607)]