12782420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{91303}}^1$

素因数の和:91319

約数の個数: 24

約数和(自身を含む): 30678144

約数和(自身を除く): 17895724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 91303, 182606, 365212, 456515, 639121, 913030, 1278242, 1826060, 2556484, 3195605, 6391210, 12782420]

約数ペア:

[(1, 12782420), (2, 6391210), (4, 3195605), (5, 2556484), (7, 1826060), (10, 1278242), (14, 913030), (20, 639121), (28, 456515), (35, 365212), (70, 182606), (140, 91303)]