207801560

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{19753}}^1$

素因数の和:20027

約数の個数: 32

約数和(自身を含む): 469355040

約数和(自身を除く): 261553480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 19753, 39506, 79012, 98765, 158024, 197530, 395060, 790120, 5195039, 10390078, 20780156, 25975195, 41560312, 51950390, 103900780, 207801560]

約数ペア:

[(1, 207801560), (2, 103900780), (4, 51950390), (5, 41560312), (8, 25975195), (10, 20780156), (20, 10390078), (40, 5195039), (263, 790120), (526, 395060), (1052, 197530), (1315, 158024), (2104, 98765), (2630, 79012), (5260, 39506), (10520, 19753)]