556880

素因数分解:

$2^4\times 5^1\times {\mathrm{6961}}^1$

素因数の和:6974

約数の個数: 20

約数和(自身を含む): 1294932

約数和(自身を除く): 738052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6961, 13922, 27844, 34805, 55688, 69610, 111376, 139220, 278440, 556880]

約数ペア:

[(1, 556880), (2, 278440), (4, 139220), (5, 111376), (8, 69610), (10, 55688), (16, 34805), (20, 27844), (40, 13922), (80, 6961)]