2168960

素因数分解:

$2^7\times 5^1\times {\mathrm{3389}}^1$

素因数の和:3408

約数の個数: 32

約数和(自身を含む): 5186700

約数和(自身を除く): 3017740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3389, 6778, 13556, 16945, 27112, 33890, 54224, 67780, 108448, 135560, 216896, 271120, 433792, 542240, 1084480, 2168960]

約数ペア:

[(1, 2168960), (2, 1084480), (4, 542240), (5, 433792), (8, 271120), (10, 216896), (16, 135560), (20, 108448), (32, 67780), (40, 54224), (64, 33890), (80, 27112), (128, 16945), (160, 13556), (320, 6778), (640, 3389)]