16408960

素因数分解:

$2^7\times 5^1\times {\mathrm{25639}}^1$

素因数の和:25658

約数の個数: 32

約数和(自身を含む): 39229200

約数和(自身を除く): 22820240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 25639, 51278, 102556, 128195, 205112, 256390, 410224, 512780, 820448, 1025560, 1640896, 2051120, 3281792, 4102240, 8204480, 16408960]

約数ペア:

[(1, 16408960), (2, 8204480), (4, 4102240), (5, 3281792), (8, 2051120), (10, 1640896), (16, 1025560), (20, 820448), (32, 512780), (40, 410224), (64, 256390), (80, 205112), (128, 128195), (160, 102556), (320, 51278), (640, 25639)]