204474040

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{21211}}^1$

素因数の和:21463

約数の個数: 32

約数和(自身を含む): 461997360

約数和(自身を除く): 257523320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 21211, 42422, 84844, 106055, 169688, 212110, 424220, 848440, 5111851, 10223702, 20447404, 25559255, 40894808, 51118510, 102237020, 204474040]

約数ペア:

[(1, 204474040), (2, 102237020), (4, 51118510), (5, 40894808), (8, 25559255), (10, 20447404), (20, 10223702), (40, 5111851), (241, 848440), (482, 424220), (964, 212110), (1205, 169688), (1928, 106055), (2410, 84844), (4820, 42422), (9640, 21211)]