30442840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16193}}^1$

素因数の和:16251

約数の個数: 32

約数和(自身を含む): 69958080

約数和(自身を除く): 39515240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 16193, 32386, 64772, 80965, 129544, 161930, 323860, 647720, 761071, 1522142, 3044284, 3805355, 6088568, 7610710, 15221420, 30442840]

約数ペア:

[(1, 30442840), (2, 15221420), (4, 7610710), (5, 6088568), (8, 3805355), (10, 3044284), (20, 1522142), (40, 761071), (47, 647720), (94, 323860), (188, 161930), (235, 129544), (376, 80965), (470, 64772), (940, 32386), (1880, 16193)]