8204480

素因数分解:

$2^6\times 5^1\times {\mathrm{25639}}^1$

素因数の和:25656

約数の個数: 28

約数和(自身を含む): 19537680

約数和(自身を除く): 11333200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 25639, 51278, 102556, 128195, 205112, 256390, 410224, 512780, 820448, 1025560, 1640896, 2051120, 4102240, 8204480]

約数ペア:

[(1, 8204480), (2, 4102240), (4, 2051120), (5, 1640896), (8, 1025560), (10, 820448), (16, 512780), (20, 410224), (32, 256390), (40, 205112), (64, 128195), (80, 102556), (160, 51278), (320, 25639)]