28031320

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3631}}^1$

素因数の和:3835

約数の個数: 32

約数和(自身を含む): 63414720

約数和(自身を除く): 35383400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3631, 3860, 7262, 7720, 14524, 18155, 29048, 36310, 72620, 145240, 700783, 1401566, 2803132, 3503915, 5606264, 7007830, 14015660, 28031320]

約数ペア:

[(1, 28031320), (2, 14015660), (4, 7007830), (5, 5606264), (8, 3503915), (10, 2803132), (20, 1401566), (40, 700783), (193, 145240), (386, 72620), (772, 36310), (965, 29048), (1544, 18155), (1930, 14524), (3631, 7720), (3860, 7262)]