82213880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293621}}^1$

素因数の和:293639

約数の個数: 32

約数和(自身を含む): 211407840

約数和(自身を除く): 129193960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293621, 587242, 1174484, 1468105, 2055347, 2348968, 2936210, 4110694, 5872420, 8221388, 10276735, 11744840, 16442776, 20553470, 41106940, 82213880]

約数ペア:

[(1, 82213880), (2, 41106940), (4, 20553470), (5, 16442776), (7, 11744840), (8, 10276735), (10, 8221388), (14, 5872420), (20, 4110694), (28, 2936210), (35, 2348968), (40, 2055347), (56, 1468105), (70, 1174484), (140, 587242), (280, 293621)]