26838640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17657}}^1$

素因数の和:17689

約数の個数: 40

約数和(自身を含む): 65687760

約数和(自身を除く): 38849120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 17657, 35314, 70628, 88285, 141256, 176570, 282512, 335483, 353140, 670966, 706280, 1341932, 1412560, 1677415, 2683864, 3354830, 5367728, 6709660, 13419320, 26838640]

約数ペア:

[(1, 26838640), (2, 13419320), (4, 6709660), (5, 5367728), (8, 3354830), (10, 2683864), (16, 1677415), (19, 1412560), (20, 1341932), (38, 706280), (40, 670966), (76, 353140), (80, 335483), (95, 282512), (152, 176570), (190, 141256), (304, 88285), (380, 70628), (760, 35314), (1520, 17657)]