55315820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{395113}}^1$

素因数の和:395129

約数の個数: 24

約数和(自身を含む): 132758304

約数和(自身を除く): 77442484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 395113, 790226, 1580452, 1975565, 2765791, 3951130, 5531582, 7902260, 11063164, 13828955, 27657910, 55315820]

約数ペア:

[(1, 55315820), (2, 27657910), (4, 13828955), (5, 11063164), (7, 7902260), (10, 5531582), (14, 3951130), (20, 2765791), (28, 1975565), (35, 1580452), (70, 790226), (140, 395113)]