17939840

素因数分解:

$2^7\times 5^1\times {\mathrm{28031}}^1$

素因数の和:28050

約数の個数: 32

約数和(自身を含む): 42888960

約数和(自身を除く): 24949120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28031, 56062, 112124, 140155, 224248, 280310, 448496, 560620, 896992, 1121240, 1793984, 2242480, 3587968, 4484960, 8969920, 17939840]

約数ペア:

[(1, 17939840), (2, 8969920), (4, 4484960), (5, 3587968), (8, 2242480), (10, 1793984), (16, 1121240), (20, 896992), (32, 560620), (40, 448496), (64, 280310), (80, 224248), (128, 140155), (160, 112124), (320, 56062), (640, 28031)]