30657920

素因数分解:

$2^7\times 5^1\times {\mathrm{47903}}^1$

素因数の和:47922

約数の個数: 32

約数和(自身を含む): 73293120

約数和(自身を除く): 42635200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 47903, 95806, 191612, 239515, 383224, 479030, 766448, 958060, 1532896, 1916120, 3065792, 3832240, 6131584, 7664480, 15328960, 30657920]

約数ペア:

[(1, 30657920), (2, 15328960), (4, 7664480), (5, 6131584), (8, 3832240), (10, 3065792), (16, 1916120), (20, 1532896), (32, 958060), (40, 766448), (64, 479030), (80, 383224), (128, 239515), (160, 191612), (320, 95806), (640, 47903)]