4912720

素因数分解:

$2^4\times 5^1\times {\mathrm{61409}}^1$

素因数の和:61422

約数の個数: 20

約数和(自身を含む): 11422260

約数和(自身を除く): 6509540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 61409, 122818, 245636, 307045, 491272, 614090, 982544, 1228180, 2456360, 4912720]

約数ペア:

[(1, 4912720), (2, 2456360), (4, 1228180), (5, 982544), (8, 614090), (10, 491272), (16, 307045), (20, 245636), (40, 122818), (80, 61409)]