55981240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199933}}^1$

素因数の和:199951

約数の個数: 32

約数和(自身を含む): 143952480

約数和(自身を除く): 87971240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 199933, 399866, 799732, 999665, 1399531, 1599464, 1999330, 2799062, 3998660, 5598124, 6997655, 7997320, 11196248, 13995310, 27990620, 55981240]

約数ペア:

[(1, 55981240), (2, 27990620), (4, 13995310), (5, 11196248), (7, 7997320), (8, 6997655), (10, 5598124), (14, 3998660), (20, 2799062), (28, 1999330), (35, 1599464), (40, 1399531), (56, 999665), (70, 799732), (140, 399866), (280, 199933)]