2897320

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 6586920

約数和(自身を除く): 3689600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 641, 904, 1130, 1282, 2260, 2564, 3205, 4520, 5128, 6410, 12820, 25640, 72433, 144866, 289732, 362165, 579464, 724330, 1448660, 2897320]

約数ペア:

[(1, 2897320), (2, 1448660), (4, 724330), (5, 579464), (8, 362165), (10, 289732), (20, 144866), (40, 72433), (113, 25640), (226, 12820), (452, 6410), (565, 5128), (641, 4520), (904, 3205), (1130, 2564), (1282, 2260)]