556720

素因数分解:

$2^4\times 5^1\times {\mathrm{6959}}^1$

素因数の和:6972

約数の個数: 20

約数和(自身を含む): 1294560

約数和(自身を除く): 737840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6959, 13918, 27836, 34795, 55672, 69590, 111344, 139180, 278360, 556720]

約数ペア:

[(1, 556720), (2, 278360), (4, 139180), (5, 111344), (8, 69590), (10, 55672), (16, 34795), (20, 27836), (40, 13918), (80, 6959)]