19667600

素因数分解:

$2^4\times 5^2\times {\mathrm{49169}}^1$

素因数の和:49187

約数の個数: 30

約数和(自身を含む): 47252370

約数和(自身を除く): 27584770

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 49169, 98338, 196676, 245845, 393352, 491690, 786704, 983380, 1229225, 1966760, 2458450, 3933520, 4916900, 9833800, 19667600]

約数ペア:

[(1, 19667600), (2, 9833800), (4, 4916900), (5, 3933520), (8, 2458450), (10, 1966760), (16, 1229225), (20, 983380), (25, 786704), (40, 491690), (50, 393352), (80, 245845), (100, 196676), (200, 98338), (400, 49169)]