40265380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22621}}^1$

素因数の和:22719

約数の個数: 24

約数和(自身を含む): 85511160

約数和(自身を除く): 45245780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 22621, 45242, 90484, 113105, 226210, 452420, 2013269, 4026538, 8053076, 10066345, 20132690, 40265380]

約数ペア:

[(1, 40265380), (2, 20132690), (4, 10066345), (5, 8053076), (10, 4026538), (20, 2013269), (89, 452420), (178, 226210), (356, 113105), (445, 90484), (890, 45242), (1780, 22621)]