68053220

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21673}}^1$

素因数の和:21839

約数の個数: 24

約数和(自身を含む): 143828664

約数和(自身を除く): 75775444

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 21673, 43346, 86692, 108365, 216730, 433460, 3402661, 6805322, 13610644, 17013305, 34026610, 68053220]

約数ペア:

[(1, 68053220), (2, 34026610), (4, 17013305), (5, 13610644), (10, 6805322), (20, 3402661), (157, 433460), (314, 216730), (628, 108365), (785, 86692), (1570, 43346), (3140, 21673)]