26657720

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1583}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 60160320

約数和(自身を除く): 33502600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1583, 1684, 2105, 3166, 3368, 4210, 6332, 7915, 8420, 12664, 15830, 16840, 31660, 63320, 666443, 1332886, 2665772, 3332215, 5331544, 6664430, 13328860, 26657720]

約数ペア:

[(1, 26657720), (2, 13328860), (4, 6664430), (5, 5331544), (8, 3332215), (10, 2665772), (20, 1332886), (40, 666443), (421, 63320), (842, 31660), (1583, 16840), (1684, 15830), (2105, 12664), (3166, 8420), (3368, 7915), (4210, 6332)]