640049536

素因数分解:

$2^7\times 7^1\times {\mathrm{714341}}^1$

素因数の和:714362

約数の個数: 32

約数和(自身を含む): 1457257680

約数和(自身を除く): 817208144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 714341, 1428682, 2857364, 5000387, 5714728, 10000774, 11429456, 20001548, 22858912, 40003096, 45717824, 80006192, 91435648, 160012384, 320024768, 640049536]

約数ペア:

[(1, 640049536), (2, 320024768), (4, 160012384), (7, 91435648), (8, 80006192), (14, 45717824), (16, 40003096), (28, 22858912), (32, 20001548), (56, 11429456), (64, 10000774), (112, 5714728), (128, 5000387), (224, 2857364), (448, 1428682), (896, 714341)]