407644480

素因数分解:

$2^6\times 5^1\times {\mathrm{1273889}}^1$

素因数の和:1273906

約数の個数: 28

約数和(自身を含む): 970704180

約数和(自身を除く): 563059700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1273889, 2547778, 5095556, 6369445, 10191112, 12738890, 20382224, 25477780, 40764448, 50955560, 81528896, 101911120, 203822240, 407644480]

約数ペア:

[(1, 407644480), (2, 203822240), (4, 101911120), (5, 81528896), (8, 50955560), (10, 40764448), (16, 25477780), (20, 20382224), (32, 12738890), (40, 10191112), (64, 6369445), (80, 5095556), (160, 2547778), (320, 1273889)]