2618960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1723}}^1$

素因数の和:1755

約数の個数: 40

約数和(自身を含む): 6413280

約数和(自身を除く): 3794320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1723, 3446, 6892, 8615, 13784, 17230, 27568, 32737, 34460, 65474, 68920, 130948, 137840, 163685, 261896, 327370, 523792, 654740, 1309480, 2618960]

約数ペア:

[(1, 2618960), (2, 1309480), (4, 654740), (5, 523792), (8, 327370), (10, 261896), (16, 163685), (19, 137840), (20, 130948), (38, 68920), (40, 65474), (76, 34460), (80, 32737), (95, 27568), (152, 17230), (190, 13784), (304, 8615), (380, 6892), (760, 3446), (1520, 1723)]