31292260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{557}}^1$

素因数の和:672

約数の個数: 36

約数和(自身を含む): 67097268

約数和(自身を除く): 35805008

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 557, 1060, 1114, 2228, 2785, 2809, 5570, 5618, 11140, 11236, 14045, 28090, 29521, 56180, 59042, 118084, 147605, 295210, 590420, 1564613, 3129226, 6258452, 7823065, 15646130, 31292260]

約数ペア:

[(1, 31292260), (2, 15646130), (4, 7823065), (5, 6258452), (10, 3129226), (20, 1564613), (53, 590420), (106, 295210), (212, 147605), (265, 118084), (530, 59042), (557, 56180), (1060, 29521), (1114, 28090), (2228, 14045), (2785, 11236), (2809, 11140), (5570, 5618)]