38637520

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2963}}^1$

素因数の和:3139

約数の個数: 40

約数和(自身を含む): 90413856

約数和(自身を除く): 51776336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 2963, 3260, 5926, 6520, 11852, 13040, 14815, 23704, 29630, 47408, 59260, 118520, 237040, 482969, 965938, 1931876, 2414845, 3863752, 4829690, 7727504, 9659380, 19318760, 38637520]

約数ペア:

[(1, 38637520), (2, 19318760), (4, 9659380), (5, 7727504), (8, 4829690), (10, 3863752), (16, 2414845), (20, 1931876), (40, 965938), (80, 482969), (163, 237040), (326, 118520), (652, 59260), (815, 47408), (1304, 29630), (1630, 23704), (2608, 14815), (2963, 13040), (3260, 11852), (5926, 6520)]