17388440

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3847}}^1$

素因数の和:3971

約数の個数: 32

約数和(自身を含む): 39480480

約数和(自身を除く): 22092040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 3847, 4520, 7694, 15388, 19235, 30776, 38470, 76940, 153880, 434711, 869422, 1738844, 2173555, 3477688, 4347110, 8694220, 17388440]

約数ペア:

[(1, 17388440), (2, 8694220), (4, 4347110), (5, 3477688), (8, 2173555), (10, 1738844), (20, 869422), (40, 434711), (113, 153880), (226, 76940), (452, 38470), (565, 30776), (904, 19235), (1130, 15388), (2260, 7694), (3847, 4520)]