40389160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{144247}}^1$

素因数の和:144265

約数の個数: 32

約数和(自身を含む): 103858560

約数和(自身を除く): 63469400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 144247, 288494, 576988, 721235, 1009729, 1153976, 1442470, 2019458, 2884940, 4038916, 5048645, 5769880, 8077832, 10097290, 20194580, 40389160]

約数ペア:

[(1, 40389160), (2, 20194580), (4, 10097290), (5, 8077832), (7, 5769880), (8, 5048645), (10, 4038916), (14, 2884940), (20, 2019458), (28, 1442470), (35, 1153976), (40, 1009729), (56, 721235), (70, 576988), (140, 288494), (280, 144247)]