887156720

素因数分解:

$2^4\times 5^1\times {\mathrm{11089459}}^1$

素因数の和:11089472

約数の個数: 20

約数和(自身を含む): 2062639560

約数和(自身を除く): 1175482840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11089459, 22178918, 44357836, 55447295, 88715672, 110894590, 177431344, 221789180, 443578360, 887156720]

約数ペア:

[(1, 887156720), (2, 443578360), (4, 221789180), (5, 177431344), (8, 110894590), (10, 88715672), (16, 55447295), (20, 44357836), (40, 22178918), (80, 11089459)]