1020002140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1186049}}^1$

素因数の和:1186101

約数の個数: 24

約数和(自身を含む): 2191820400

約数和(自身を除く): 1171818260

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1186049, 2372098, 4744196, 5930245, 11860490, 23720980, 51000107, 102000214, 204000428, 255000535, 510001070, 1020002140]

約数ペア:

[(1, 1020002140), (2, 510001070), (4, 255000535), (5, 204000428), (10, 102000214), (20, 51000107), (43, 23720980), (86, 11860490), (172, 5930245), (215, 4744196), (430, 2372098), (860, 1186049)]