38963440

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1721}}^1$

素因数の和:2017

約数の個数: 40

約数和(自身を含む): 90962928

約数和(自身を除く): 51999488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283, 566, 1132, 1415, 1721, 2264, 2830, 3442, 4528, 5660, 6884, 8605, 11320, 13768, 17210, 22640, 27536, 34420, 68840, 137680, 487043, 974086, 1948172, 2435215, 3896344, 4870430, 7792688, 9740860, 19481720, 38963440]

約数ペア:

[(1, 38963440), (2, 19481720), (4, 9740860), (5, 7792688), (8, 4870430), (10, 3896344), (16, 2435215), (20, 1948172), (40, 974086), (80, 487043), (283, 137680), (566, 68840), (1132, 34420), (1415, 27536), (1721, 22640), (2264, 17210), (2830, 13768), (3442, 11320), (4528, 8605), (5660, 6884)]