17820640

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{877}}^1$

素因数の和:1019

約数の個数: 48

約数和(自身を含む): 42481152

約数和(自身を除く): 24660512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 877, 1016, 1270, 1754, 2032, 2540, 3508, 4064, 4385, 5080, 7016, 8770, 10160, 14032, 17540, 20320, 28064, 35080, 70160, 111379, 140320, 222758, 445516, 556895, 891032, 1113790, 1782064, 2227580, 3564128, 4455160, 8910320, 17820640]

約数ペア:

[(1, 17820640), (2, 8910320), (4, 4455160), (5, 3564128), (8, 2227580), (10, 1782064), (16, 1113790), (20, 891032), (32, 556895), (40, 445516), (80, 222758), (127, 140320), (160, 111379), (254, 70160), (508, 35080), (635, 28064), (877, 20320), (1016, 17540), (1270, 14032), (1754, 10160), (2032, 8770), (2540, 7016), (3508, 5080), (4064, 4385)]