17217920

素因数分解:

$2^7\times 5^1\times {\mathrm{26903}}^1$

素因数の和:26922

約数の個数: 32

約数和(自身を含む): 41163120

約数和(自身を除く): 23945200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 26903, 53806, 107612, 134515, 215224, 269030, 430448, 538060, 860896, 1076120, 1721792, 2152240, 3443584, 4304480, 8608960, 17217920]

約数ペア:

[(1, 17217920), (2, 8608960), (4, 4304480), (5, 3443584), (8, 2152240), (10, 1721792), (16, 1076120), (20, 860896), (32, 538060), (40, 430448), (64, 269030), (80, 215224), (128, 134515), (160, 107612), (320, 53806), (640, 26903)]