200439440

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{9749}}^1$

素因数の和:10019

約数の個数: 40

約数和(自身を含む): 467883000

約数和(自身を除く): 267443560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 9749, 10280, 19498, 20560, 38996, 48745, 77992, 97490, 155984, 194980, 389960, 779920, 2505493, 5010986, 10021972, 12527465, 20043944, 25054930, 40087888, 50109860, 100219720, 200439440]

約数ペア:

[(1, 200439440), (2, 100219720), (4, 50109860), (5, 40087888), (8, 25054930), (10, 20043944), (16, 12527465), (20, 10021972), (40, 5010986), (80, 2505493), (257, 779920), (514, 389960), (1028, 194980), (1285, 155984), (2056, 97490), (2570, 77992), (4112, 48745), (5140, 38996), (9749, 20560), (10280, 19498)]