26913280

素因数分解:

$2^9\times 5^1\times {\mathrm{10513}}^1$

素因数の和:10536

約数の個数: 40

約数和(自身を含む): 64534932

約数和(自身を除く): 37621652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 10513, 21026, 42052, 52565, 84104, 105130, 168208, 210260, 336416, 420520, 672832, 841040, 1345664, 1682080, 2691328, 3364160, 5382656, 6728320, 13456640, 26913280]

約数ペア:

[(1, 26913280), (2, 13456640), (4, 6728320), (5, 5382656), (8, 3364160), (10, 2691328), (16, 1682080), (20, 1345664), (32, 841040), (40, 672832), (64, 420520), (80, 336416), (128, 210260), (160, 168208), (256, 105130), (320, 84104), (512, 52565), (640, 42052), (1280, 21026), (2560, 10513)]