30239240

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3917}}^1$

素因数の和:4121

約数の個数: 32

約数和(自身を含む): 68408280

約数和(自身を除く): 38169040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 3917, 7720, 7834, 15668, 19585, 31336, 39170, 78340, 156680, 755981, 1511962, 3023924, 3779905, 6047848, 7559810, 15119620, 30239240]

約数ペア:

[(1, 30239240), (2, 15119620), (4, 7559810), (5, 6047848), (8, 3779905), (10, 3023924), (20, 1511962), (40, 755981), (193, 156680), (386, 78340), (772, 39170), (965, 31336), (1544, 19585), (1930, 15668), (3860, 7834), (3917, 7720)]