208097920

素因数分解:

$2^7\times 5^1\times {\mathrm{325153}}^1$

素因数の和:325172

約数の個数: 32

約数和(自身を含む): 497485620

約数和(自身を除く): 289387700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 325153, 650306, 1300612, 1625765, 2601224, 3251530, 5202448, 6503060, 10404896, 13006120, 20809792, 26012240, 41619584, 52024480, 104048960, 208097920]

約数ペア:

[(1, 208097920), (2, 104048960), (4, 52024480), (5, 41619584), (8, 26012240), (10, 20809792), (16, 13006120), (20, 10404896), (32, 6503060), (40, 5202448), (64, 3251530), (80, 2601224), (128, 1625765), (160, 1300612), (320, 650306), (640, 325153)]