2780480

素因数分解:

$2^6\times 5^1\times {\mathrm{8689}}^1$

素因数の和:8706

約数の個数: 28

約数和(自身を含む): 6621780

約数和(自身を除く): 3841300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 8689, 17378, 34756, 43445, 69512, 86890, 139024, 173780, 278048, 347560, 556096, 695120, 1390240, 2780480]

約数ペア:

[(1, 2780480), (2, 1390240), (4, 695120), (5, 556096), (8, 347560), (10, 278048), (16, 173780), (20, 139024), (32, 86890), (40, 69512), (64, 43445), (80, 34756), (160, 17378), (320, 8689)]