9805720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5701}}^1$

素因数の和:5755

約数の個数: 32

約数和(自身を含む): 22579920

約数和(自身を除く): 12774200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5701, 11402, 22804, 28505, 45608, 57010, 114020, 228040, 245143, 490286, 980572, 1225715, 1961144, 2451430, 4902860, 9805720]

約数ペア:

[(1, 9805720), (2, 4902860), (4, 2451430), (5, 1961144), (8, 1225715), (10, 980572), (20, 490286), (40, 245143), (43, 228040), (86, 114020), (172, 57010), (215, 45608), (344, 28505), (430, 22804), (860, 11402), (1720, 5701)]