39677090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 73062000

約数和(自身を除く): 33384910

約数列:

[1, 2, 5, 10, 89, 109, 178, 218, 409, 445, 545, 818, 890, 1090, 2045, 4090, 9701, 19402, 36401, 44581, 48505, 72802, 89162, 97010, 182005, 222905, 364010, 445810, 3967709, 7935418, 19838545, 39677090]

約数ペア:

[(1, 39677090), (2, 19838545), (5, 7935418), (10, 3967709), (89, 445810), (109, 364010), (178, 222905), (218, 182005), (409, 97010), (445, 89162), (545, 72802), (818, 48505), (890, 44581), (1090, 36401), (2045, 19402), (4090, 9701)]