2530120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1525

約数の個数: 32

約数和(自身を含む): 5829120

約数和(自身を除く): 3299000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1471, 1720, 2942, 5884, 7355, 11768, 14710, 29420, 58840, 63253, 126506, 253012, 316265, 506024, 632530, 1265060, 2530120]

約数ペア:

[(1, 2530120), (2, 1265060), (4, 632530), (5, 506024), (8, 316265), (10, 253012), (20, 126506), (40, 63253), (43, 58840), (86, 29420), (172, 14710), (215, 11768), (344, 7355), (430, 5884), (860, 2942), (1471, 1720)]