6510220

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1997}}^1$

素因数の和:2169

約数の個数: 24

約数和(自身を含む): 13762224

約数和(自身を除く): 7252004

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 1997, 3260, 3994, 7988, 9985, 19970, 39940, 325511, 651022, 1302044, 1627555, 3255110, 6510220]

約数ペア:

[(1, 6510220), (2, 3255110), (4, 1627555), (5, 1302044), (10, 651022), (20, 325511), (163, 39940), (326, 19970), (652, 9985), (815, 7988), (1630, 3994), (1997, 3260)]