8138840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10709}}^1$

素因数の和:10739

約数の個数: 32

約数和(自身を含む): 19278000

約数和(自身を除く): 11139160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 10709, 21418, 42836, 53545, 85672, 107090, 203471, 214180, 406942, 428360, 813884, 1017355, 1627768, 2034710, 4069420, 8138840]

約数ペア:

[(1, 8138840), (2, 4069420), (4, 2034710), (5, 1627768), (8, 1017355), (10, 813884), (19, 428360), (20, 406942), (38, 214180), (40, 203471), (76, 107090), (95, 85672), (152, 53545), (190, 42836), (380, 21418), (760, 10709)]