2007205930

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{47939}}^1$

素因数の和:48078

約数の個数: 32

約数和(自身を含む): 3727814400

約数和(自身を除く): 1720608470

約数列:

[1, 2, 5, 10, 53, 79, 106, 158, 265, 395, 530, 790, 4187, 8374, 20935, 41870, 47939, 95878, 239695, 479390, 2540767, 3787181, 5081534, 7574362, 12703835, 18935905, 25407670, 37871810, 200720593, 401441186, 1003602965, 2007205930]

約数ペア:

[(1, 2007205930), (2, 1003602965), (5, 401441186), (10, 200720593), (53, 37871810), (79, 25407670), (106, 18935905), (158, 12703835), (265, 7574362), (395, 5081534), (530, 3787181), (790, 2540767), (4187, 479390), (8374, 239695), (20935, 95878), (41870, 47939)]